[Java] Add missing Locale to String.format() invocations (#21871)

* [Java] Add missing Locale to String.format() invocations

* chore: ./bin/generate-samples.sh ./bin/configs/*.yaml

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/api/AnotherFakeApi.java

@@ -43,6 +43,7 @@ import java.util.StringJoiner;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.Locale;
 import java.util.function.Consumer;
 
 import java.util.concurrent.CompletableFuture;

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/api/DefaultApi.java

@@ -43,6 +43,7 @@ import java.util.StringJoiner;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.Locale;
 import java.util.function.Consumer;
 
 import java.util.concurrent.CompletableFuture;

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/api/FakeApi.java

@@ -60,6 +60,7 @@ import java.util.StringJoiner;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.Locale;
 import java.util.function.Consumer;
 
 import java.util.concurrent.CompletableFuture;

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/api/FakeClassnameTags123Api.java

@@ -49,6 +49,7 @@ import java.util.StringJoiner;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.Locale;
 import java.util.function.Consumer;
 
 import java.util.concurrent.CompletableFuture;

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/api/PetApi.java

@@ -51,6 +51,7 @@ import java.util.StringJoiner;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.Locale;
 import java.util.function.Consumer;
 
 import java.util.concurrent.CompletableFuture;

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/api/StoreApi.java

@@ -49,6 +49,7 @@ import java.util.StringJoiner;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.Locale;
 import java.util.function.Consumer;
 
 import java.util.concurrent.CompletableFuture;

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/api/UserApi.java

@@ -50,6 +50,7 @@ import java.util.StringJoiner;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.Locale;
 import java.util.function.Consumer;
 
 import java.util.concurrent.CompletableFuture;

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/AdditionalPropertiesClass.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -416,8 +417,8 @@ public class AdditionalPropertiesClass {
     // add `map_property` to the URL query string
     if (getMapProperty() != null) {
       for (String _key : getMapProperty().keySet()) {
-        joiner.add(String.format("%smap_property%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%smap_property%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, _key, containerSuffix),
             getMapProperty().get(_key), ApiClient.urlEncode(ApiClient.valueToString(getMapProperty().get(_key)))));
       }
     }
@@ -425,46 +426,46 @@ public class AdditionalPropertiesClass {
     // add `map_of_map_property` to the URL query string
     if (getMapOfMapProperty() != null) {
       for (String _key : getMapOfMapProperty().keySet()) {
-        joiner.add(String.format("%smap_of_map_property%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%smap_of_map_property%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, _key, containerSuffix),
             getMapOfMapProperty().get(_key), ApiClient.urlEncode(ApiClient.valueToString(getMapOfMapProperty().get(_key)))));
       }
     }
 
     // add `anytype_1` to the URL query string
     if (getAnytype1() != null) {
-      joiner.add(String.format("%sanytype_1%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getAnytype1()))));
+      joiner.add(String.format(Locale.ROOT, "%sanytype_1%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getAnytype1()))));
     }
 
     // add `map_with_undeclared_properties_anytype_1` to the URL query string
     if (getMapWithUndeclaredPropertiesAnytype1() != null) {
-      joiner.add(String.format("%smap_with_undeclared_properties_anytype_1%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getMapWithUndeclaredPropertiesAnytype1()))));
+      joiner.add(String.format(Locale.ROOT, "%smap_with_undeclared_properties_anytype_1%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getMapWithUndeclaredPropertiesAnytype1()))));
     }
 
     // add `map_with_undeclared_properties_anytype_2` to the URL query string
     if (getMapWithUndeclaredPropertiesAnytype2() != null) {
-      joiner.add(String.format("%smap_with_undeclared_properties_anytype_2%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getMapWithUndeclaredPropertiesAnytype2()))));
+      joiner.add(String.format(Locale.ROOT, "%smap_with_undeclared_properties_anytype_2%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getMapWithUndeclaredPropertiesAnytype2()))));
     }
 
     // add `map_with_undeclared_properties_anytype_3` to the URL query string
     if (getMapWithUndeclaredPropertiesAnytype3() != null) {
       for (String _key : getMapWithUndeclaredPropertiesAnytype3().keySet()) {
-        joiner.add(String.format("%smap_with_undeclared_properties_anytype_3%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%smap_with_undeclared_properties_anytype_3%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, _key, containerSuffix),
             getMapWithUndeclaredPropertiesAnytype3().get(_key), ApiClient.urlEncode(ApiClient.valueToString(getMapWithUndeclaredPropertiesAnytype3().get(_key)))));
       }
     }
 
     // add `empty_map` to the URL query string
     if (getEmptyMap() != null) {
-      joiner.add(String.format("%sempty_map%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getEmptyMap()))));
+      joiner.add(String.format(Locale.ROOT, "%sempty_map%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getEmptyMap()))));
     }
 
     // add `map_with_undeclared_properties_string` to the URL query string
     if (getMapWithUndeclaredPropertiesString() != null) {
       for (String _key : getMapWithUndeclaredPropertiesString().keySet()) {
-        joiner.add(String.format("%smap_with_undeclared_properties_string%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%smap_with_undeclared_properties_string%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, _key, containerSuffix),
             getMapWithUndeclaredPropertiesString().get(_key), ApiClient.urlEncode(ApiClient.valueToString(getMapWithUndeclaredPropertiesString().get(_key)))));
       }
     }

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Animal.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
@@ -187,12 +188,12 @@ public class Animal {
 
     // add `className` to the URL query string
     if (getClassName() != null) {
-      joiner.add(String.format("%sclassName%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getClassName()))));
+      joiner.add(String.format(Locale.ROOT, "%sclassName%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getClassName()))));
     }
 
     // add `color` to the URL query string
     if (getColor() != null) {
-      joiner.add(String.format("%scolor%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getColor()))));
+      joiner.add(String.format(Locale.ROOT, "%scolor%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getColor()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Apple.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -173,12 +174,12 @@ public class Apple {
 
     // add `cultivar` to the URL query string
     if (getCultivar() != null) {
-      joiner.add(String.format("%scultivar%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getCultivar()))));
+      joiner.add(String.format(Locale.ROOT, "%scultivar%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getCultivar()))));
     }
 
     // add `origin` to the URL query string
     if (getOrigin() != null) {
-      joiner.add(String.format("%sorigin%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getOrigin()))));
+      joiner.add(String.format(Locale.ROOT, "%sorigin%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getOrigin()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/AppleReq.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -173,12 +174,12 @@ public class AppleReq {
 
     // add `cultivar` to the URL query string
     if (getCultivar() != null) {
-      joiner.add(String.format("%scultivar%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getCultivar()))));
+      joiner.add(String.format(Locale.ROOT, "%scultivar%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getCultivar()))));
     }
 
     // add `mealy` to the URL query string
     if (getMealy() != null) {
-      joiner.add(String.format("%smealy%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getMealy()))));
+      joiner.add(String.format(Locale.ROOT, "%smealy%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getMealy()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ArrayOfArrayOfNumberOnly.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -155,8 +156,8 @@ public class ArrayOfArrayOfNumberOnly {
     if (getArrayArrayNumber() != null) {
       for (int i = 0; i < getArrayArrayNumber().size(); i++) {
         if (getArrayArrayNumber().get(i) != null) {
-          joiner.add(String.format("%sArrayArrayNumber%s%s=%s", prefix, suffix,
-              "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
+          joiner.add(String.format(Locale.ROOT, "%sArrayArrayNumber%s%s=%s", prefix, suffix,
+              "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, i, containerSuffix),
               ApiClient.urlEncode(ApiClient.valueToString(getArrayArrayNumber().get(i)))));
         }
       }

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ArrayOfNumberOnly.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -155,8 +156,8 @@ public class ArrayOfNumberOnly {
     if (getArrayNumber() != null) {
       for (int i = 0; i < getArrayNumber().size(); i++) {
         if (getArrayNumber().get(i) != null) {
-          joiner.add(String.format("%sArrayNumber%s%s=%s", prefix, suffix,
-              "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
+          joiner.add(String.format(Locale.ROOT, "%sArrayNumber%s%s=%s", prefix, suffix,
+              "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, i, containerSuffix),
               ApiClient.urlEncode(ApiClient.valueToString(getArrayNumber().get(i)))));
         }
       }

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ArrayTest.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -232,8 +233,8 @@ public class ArrayTest {
     // add `array_of_string` to the URL query string
     if (getArrayOfString() != null) {
       for (int i = 0; i < getArrayOfString().size(); i++) {
-        joiner.add(String.format("%sarray_of_string%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%sarray_of_string%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, i, containerSuffix),
             ApiClient.urlEncode(ApiClient.valueToString(getArrayOfString().get(i)))));
       }
     }
@@ -241,8 +242,8 @@ public class ArrayTest {
     // add `array_array_of_integer` to the URL query string
     if (getArrayArrayOfInteger() != null) {
       for (int i = 0; i < getArrayArrayOfInteger().size(); i++) {
-        joiner.add(String.format("%sarray_array_of_integer%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%sarray_array_of_integer%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, i, containerSuffix),
             ApiClient.urlEncode(ApiClient.valueToString(getArrayArrayOfInteger().get(i)))));
       }
     }
@@ -251,8 +252,8 @@ public class ArrayTest {
     if (getArrayArrayOfModel() != null) {
       for (int i = 0; i < getArrayArrayOfModel().size(); i++) {
         if (getArrayArrayOfModel().get(i) != null) {
-          joiner.add(String.format("%sarray_array_of_model%s%s=%s", prefix, suffix,
-              "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
+          joiner.add(String.format(Locale.ROOT, "%sarray_array_of_model%s%s=%s", prefix, suffix,
+              "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, i, containerSuffix),
               ApiClient.urlEncode(ApiClient.valueToString(getArrayArrayOfModel().get(i)))));
         }
       }

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Banana.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -143,7 +144,7 @@ public class Banana {
 
     // add `lengthCm` to the URL query string
     if (getLengthCm() != null) {
-      joiner.add(String.format("%slengthCm%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getLengthCm()))));
+      joiner.add(String.format(Locale.ROOT, "%slengthCm%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getLengthCm()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/BananaReq.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -174,12 +175,12 @@ public class BananaReq {
 
     // add `lengthCm` to the URL query string
     if (getLengthCm() != null) {
-      joiner.add(String.format("%slengthCm%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getLengthCm()))));
+      joiner.add(String.format(Locale.ROOT, "%slengthCm%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getLengthCm()))));
     }
 
     // add `sweet` to the URL query string
     if (getSweet() != null) {
-      joiner.add(String.format("%ssweet%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getSweet()))));
+      joiner.add(String.format(Locale.ROOT, "%ssweet%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getSweet()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/BasquePig.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -142,7 +143,7 @@ public class BasquePig {
 
     // add `className` to the URL query string
     if (getClassName() != null) {
-      joiner.add(String.format("%sclassName%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getClassName()))));
+      joiner.add(String.format(Locale.ROOT, "%sclassName%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getClassName()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Capitalization.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -297,32 +298,32 @@ public class Capitalization {
 
     // add `smallCamel` to the URL query string
     if (getSmallCamel() != null) {
-      joiner.add(String.format("%ssmallCamel%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getSmallCamel()))));
+      joiner.add(String.format(Locale.ROOT, "%ssmallCamel%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getSmallCamel()))));
     }
 
     // add `CapitalCamel` to the URL query string
     if (getCapitalCamel() != null) {
-      joiner.add(String.format("%sCapitalCamel%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getCapitalCamel()))));
+      joiner.add(String.format(Locale.ROOT, "%sCapitalCamel%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getCapitalCamel()))));
     }
 
     // add `small_Snake` to the URL query string
     if (getSmallSnake() != null) {
-      joiner.add(String.format("%ssmall_Snake%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getSmallSnake()))));
+      joiner.add(String.format(Locale.ROOT, "%ssmall_Snake%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getSmallSnake()))));
     }
 
     // add `Capital_Snake` to the URL query string
     if (getCapitalSnake() != null) {
-      joiner.add(String.format("%sCapital_Snake%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getCapitalSnake()))));
+      joiner.add(String.format(Locale.ROOT, "%sCapital_Snake%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getCapitalSnake()))));
     }
 
     // add `SCA_ETH_Flow_Points` to the URL query string
     if (getScAETHFlowPoints() != null) {
-      joiner.add(String.format("%sSCA_ETH_Flow_Points%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getScAETHFlowPoints()))));
+      joiner.add(String.format(Locale.ROOT, "%sSCA_ETH_Flow_Points%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getScAETHFlowPoints()))));
     }
 
     // add `ATT_NAME` to the URL query string
     if (getATTNAME() != null) {
-      joiner.add(String.format("%sATT_NAME%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getATTNAME()))));
+      joiner.add(String.format(Locale.ROOT, "%sATT_NAME%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getATTNAME()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Cat.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
@@ -168,17 +169,17 @@ public class Cat extends Animal {
 
     // add `className` to the URL query string
     if (getClassName() != null) {
-      joiner.add(String.format("%sclassName%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getClassName()))));
+      joiner.add(String.format(Locale.ROOT, "%sclassName%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getClassName()))));
     }
 
     // add `color` to the URL query string
     if (getColor() != null) {
-      joiner.add(String.format("%scolor%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getColor()))));
+      joiner.add(String.format(Locale.ROOT, "%scolor%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getColor()))));
     }
 
     // add `declawed` to the URL query string
     if (getDeclawed() != null) {
-      joiner.add(String.format("%sdeclawed%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getDeclawed()))));
+      joiner.add(String.format(Locale.ROOT, "%sdeclawed%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getDeclawed()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Category.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -173,12 +174,12 @@ public class Category {
 
     // add `id` to the URL query string
     if (getId() != null) {
-      joiner.add(String.format("%sid%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getId()))));
+      joiner.add(String.format(Locale.ROOT, "%sid%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getId()))));
     }
 
     // add `name` to the URL query string
     if (getName() != null) {
-      joiner.add(String.format("%sname%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getName()))));
+      joiner.add(String.format(Locale.ROOT, "%sname%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getName()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ChildCat.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
@@ -200,12 +201,12 @@ public class ChildCat extends ParentPet {
 
     // add `pet_type` to the URL query string
     if (getPetType() != null) {
-      joiner.add(String.format("%spet_type%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPetType()))));
+      joiner.add(String.format(Locale.ROOT, "%spet_type%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPetType()))));
     }
 
     // add `name` to the URL query string
     if (getName() != null) {
-      joiner.add(String.format("%sname%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getName()))));
+      joiner.add(String.format(Locale.ROOT, "%sname%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getName()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ClassModel.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -142,7 +143,7 @@ public class ClassModel {
 
     // add `_class` to the URL query string
     if (getPropertyClass() != null) {
-      joiner.add(String.format("%s_class%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPropertyClass()))));
+      joiner.add(String.format(Locale.ROOT, "%s_class%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPropertyClass()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Client.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -142,7 +143,7 @@ public class Client {
 
     // add `client` to the URL query string
     if (getClient() != null) {
-      joiner.add(String.format("%sclient%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getClient()))));
+      joiner.add(String.format(Locale.ROOT, "%sclient%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getClient()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ComplexQuadrilateral.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -173,12 +174,12 @@ public class ComplexQuadrilateral {
 
     // add `shapeType` to the URL query string
     if (getShapeType() != null) {
-      joiner.add(String.format("%sshapeType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getShapeType()))));
+      joiner.add(String.format(Locale.ROOT, "%sshapeType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getShapeType()))));
     }
 
     // add `quadrilateralType` to the URL query string
     if (getQuadrilateralType() != null) {
-      joiner.add(String.format("%squadrilateralType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getQuadrilateralType()))));
+      joiner.add(String.format(Locale.ROOT, "%squadrilateralType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getQuadrilateralType()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/DanishPig.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -142,7 +143,7 @@ public class DanishPig {
 
     // add `className` to the URL query string
     if (getClassName() != null) {
-      joiner.add(String.format("%sclassName%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getClassName()))));
+      joiner.add(String.format(Locale.ROOT, "%sclassName%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getClassName()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/DeprecatedObject.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -144,7 +145,7 @@ public class DeprecatedObject {
 
     // add `name` to the URL query string
     if (getName() != null) {
-      joiner.add(String.format("%sname%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getName()))));
+      joiner.add(String.format(Locale.ROOT, "%sname%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getName()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Dog.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
@@ -167,17 +168,17 @@ public class Dog extends Animal {
 
     // add `className` to the URL query string
     if (getClassName() != null) {
-      joiner.add(String.format("%sclassName%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getClassName()))));
+      joiner.add(String.format(Locale.ROOT, "%sclassName%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getClassName()))));
     }
 
     // add `color` to the URL query string
     if (getColor() != null) {
-      joiner.add(String.format("%scolor%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getColor()))));
+      joiner.add(String.format(Locale.ROOT, "%scolor%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getColor()))));
     }
 
     // add `breed` to the URL query string
     if (getBreed() != null) {
-      joiner.add(String.format("%sbreed%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getBreed()))));
+      joiner.add(String.format(Locale.ROOT, "%sbreed%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getBreed()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Drawing.java

@@ -23,6 +23,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -337,8 +338,8 @@ public class Drawing {
     if (getShapes() != null) {
       for (int i = 0; i < getShapes().size(); i++) {
         if (getShapes().get(i) != null) {
-          joiner.add(getShapes().get(i).toUrlQueryString(String.format("%sshapes%s%s", prefix, suffix,
-          "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix))));
+          joiner.add(getShapes().get(i).toUrlQueryString(String.format(Locale.ROOT, "%sshapes%s%s", prefix, suffix,
+          "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, i, containerSuffix))));
         }
       }
     }

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/EnumArrays.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -253,14 +254,14 @@ public class EnumArrays {
 
     // add `just_symbol` to the URL query string
     if (getJustSymbol() != null) {
-      joiner.add(String.format("%sjust_symbol%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getJustSymbol()))));
+      joiner.add(String.format(Locale.ROOT, "%sjust_symbol%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getJustSymbol()))));
     }
 
     // add `array_enum` to the URL query string
     if (getArrayEnum() != null) {
       for (int i = 0; i < getArrayEnum().size(); i++) {
-        joiner.add(String.format("%sarray_enum%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%sarray_enum%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, i, containerSuffix),
             ApiClient.urlEncode(ApiClient.valueToString(getArrayEnum().get(i)))));
       }
     }

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/EnumClass.java

@@ -19,11 +19,13 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 
 
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonValue;
+import java.util.Locale;
 
 /**
  * Gets or Sets EnumClass
@@ -73,7 +75,7 @@ public enum EnumClass {
       prefix = "";
     }
 
-    return String.format("%s=%s", prefix, this.toString());
+    return String.format(Locale.ROOT, "%s=%s", prefix, this.toString());
   }
 
 }

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/EnumTest.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -595,47 +596,47 @@ public class EnumTest {
 
     // add `enum_string` to the URL query string
     if (getEnumString() != null) {
-      joiner.add(String.format("%senum_string%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getEnumString()))));
+      joiner.add(String.format(Locale.ROOT, "%senum_string%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getEnumString()))));
     }
 
     // add `enum_string_required` to the URL query string
     if (getEnumStringRequired() != null) {
-      joiner.add(String.format("%senum_string_required%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getEnumStringRequired()))));
+      joiner.add(String.format(Locale.ROOT, "%senum_string_required%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getEnumStringRequired()))));
     }
 
     // add `enum_integer` to the URL query string
     if (getEnumInteger() != null) {
-      joiner.add(String.format("%senum_integer%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getEnumInteger()))));
+      joiner.add(String.format(Locale.ROOT, "%senum_integer%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getEnumInteger()))));
     }
 
     // add `enum_integer_only` to the URL query string
     if (getEnumIntegerOnly() != null) {
-      joiner.add(String.format("%senum_integer_only%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getEnumIntegerOnly()))));
+      joiner.add(String.format(Locale.ROOT, "%senum_integer_only%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getEnumIntegerOnly()))));
     }
 
     // add `enum_number` to the URL query string
     if (getEnumNumber() != null) {
-      joiner.add(String.format("%senum_number%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getEnumNumber()))));
+      joiner.add(String.format(Locale.ROOT, "%senum_number%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getEnumNumber()))));
     }
 
     // add `outerEnum` to the URL query string
     if (getOuterEnum() != null) {
-      joiner.add(String.format("%souterEnum%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getOuterEnum()))));
+      joiner.add(String.format(Locale.ROOT, "%souterEnum%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getOuterEnum()))));
     }
 
     // add `outerEnumInteger` to the URL query string
     if (getOuterEnumInteger() != null) {
-      joiner.add(String.format("%souterEnumInteger%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getOuterEnumInteger()))));
+      joiner.add(String.format(Locale.ROOT, "%souterEnumInteger%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getOuterEnumInteger()))));
     }
 
     // add `outerEnumDefaultValue` to the URL query string
     if (getOuterEnumDefaultValue() != null) {
-      joiner.add(String.format("%souterEnumDefaultValue%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getOuterEnumDefaultValue()))));
+      joiner.add(String.format(Locale.ROOT, "%souterEnumDefaultValue%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getOuterEnumDefaultValue()))));
     }
 
     // add `outerEnumIntegerDefaultValue` to the URL query string
     if (getOuterEnumIntegerDefaultValue() != null) {
-      joiner.add(String.format("%souterEnumIntegerDefaultValue%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getOuterEnumIntegerDefaultValue()))));
+      joiner.add(String.format(Locale.ROOT, "%souterEnumIntegerDefaultValue%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getOuterEnumIntegerDefaultValue()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/EquilateralTriangle.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -173,12 +174,12 @@ public class EquilateralTriangle {
 
     // add `shapeType` to the URL query string
     if (getShapeType() != null) {
-      joiner.add(String.format("%sshapeType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getShapeType()))));
+      joiner.add(String.format(Locale.ROOT, "%sshapeType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getShapeType()))));
     }
 
     // add `triangleType` to the URL query string
     if (getTriangleType() != null) {
-      joiner.add(String.format("%striangleType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getTriangleType()))));
+      joiner.add(String.format(Locale.ROOT, "%striangleType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getTriangleType()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/FakeBigDecimalMap200Response.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -184,14 +185,14 @@ public class FakeBigDecimalMap200Response {
 
     // add `someId` to the URL query string
     if (getSomeId() != null) {
-      joiner.add(String.format("%ssomeId%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getSomeId()))));
+      joiner.add(String.format(Locale.ROOT, "%ssomeId%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getSomeId()))));
     }
 
     // add `someMap` to the URL query string
     if (getSomeMap() != null) {
       for (String _key : getSomeMap().keySet()) {
-        joiner.add(String.format("%ssomeMap%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%ssomeMap%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, _key, containerSuffix),
             getSomeMap().get(_key), ApiClient.urlEncode(ApiClient.valueToString(getSomeMap().get(_key)))));
       }
     }

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/FileSchemaTestClass.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -191,8 +192,8 @@ public class FileSchemaTestClass {
     if (getFiles() != null) {
       for (int i = 0; i < getFiles().size(); i++) {
         if (getFiles().get(i) != null) {
-          joiner.add(getFiles().get(i).toUrlQueryString(String.format("%sfiles%s%s", prefix, suffix,
-          "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix))));
+          joiner.add(getFiles().get(i).toUrlQueryString(String.format(Locale.ROOT, "%sfiles%s%s", prefix, suffix,
+          "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, i, containerSuffix))));
         }
       }
     }

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Foo.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -142,7 +143,7 @@ public class Foo {
 
     // add `bar` to the URL query string
     if (getBar() != null) {
-      joiner.add(String.format("%sbar%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getBar()))));
+      joiner.add(String.format(Locale.ROOT, "%sbar%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getBar()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/FooGetDefaultResponse.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/FormatTest.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -622,82 +623,82 @@ public class FormatTest {
 
     // add `integer` to the URL query string
     if (getInteger() != null) {
-      joiner.add(String.format("%sinteger%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getInteger()))));
+      joiner.add(String.format(Locale.ROOT, "%sinteger%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getInteger()))));
     }
 
     // add `int32` to the URL query string
     if (getInt32() != null) {
-      joiner.add(String.format("%sint32%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getInt32()))));
+      joiner.add(String.format(Locale.ROOT, "%sint32%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getInt32()))));
     }
 
     // add `int64` to the URL query string
     if (getInt64() != null) {
-      joiner.add(String.format("%sint64%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getInt64()))));
+      joiner.add(String.format(Locale.ROOT, "%sint64%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getInt64()))));
     }
 
     // add `number` to the URL query string
     if (getNumber() != null) {
-      joiner.add(String.format("%snumber%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getNumber()))));
+      joiner.add(String.format(Locale.ROOT, "%snumber%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getNumber()))));
     }
 
     // add `float` to the URL query string
     if (getFloat() != null) {
-      joiner.add(String.format("%sfloat%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getFloat()))));
+      joiner.add(String.format(Locale.ROOT, "%sfloat%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getFloat()))));
     }
 
     // add `double` to the URL query string
     if (getDouble() != null) {
-      joiner.add(String.format("%sdouble%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getDouble()))));
+      joiner.add(String.format(Locale.ROOT, "%sdouble%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getDouble()))));
     }
 
     // add `decimal` to the URL query string
     if (getDecimal() != null) {
-      joiner.add(String.format("%sdecimal%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getDecimal()))));
+      joiner.add(String.format(Locale.ROOT, "%sdecimal%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getDecimal()))));
     }
 
     // add `string` to the URL query string
     if (getString() != null) {
-      joiner.add(String.format("%sstring%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getString()))));
+      joiner.add(String.format(Locale.ROOT, "%sstring%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getString()))));
     }
 
     // add `byte` to the URL query string
     if (getByte() != null) {
-      joiner.add(String.format("%sbyte%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getByte()))));
+      joiner.add(String.format(Locale.ROOT, "%sbyte%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getByte()))));
     }
 
     // add `binary` to the URL query string
     if (getBinary() != null) {
-      joiner.add(String.format("%sbinary%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getBinary()))));
+      joiner.add(String.format(Locale.ROOT, "%sbinary%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getBinary()))));
     }
 
     // add `date` to the URL query string
     if (getDate() != null) {
-      joiner.add(String.format("%sdate%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getDate()))));
+      joiner.add(String.format(Locale.ROOT, "%sdate%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getDate()))));
     }
 
     // add `dateTime` to the URL query string
     if (getDateTime() != null) {
-      joiner.add(String.format("%sdateTime%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getDateTime()))));
+      joiner.add(String.format(Locale.ROOT, "%sdateTime%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getDateTime()))));
     }
 
     // add `uuid` to the URL query string
     if (getUuid() != null) {
-      joiner.add(String.format("%suuid%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getUuid()))));
+      joiner.add(String.format(Locale.ROOT, "%suuid%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getUuid()))));
     }
 
     // add `password` to the URL query string
     if (getPassword() != null) {
-      joiner.add(String.format("%spassword%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPassword()))));
+      joiner.add(String.format(Locale.ROOT, "%spassword%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPassword()))));
     }
 
     // add `pattern_with_digits` to the URL query string
     if (getPatternWithDigits() != null) {
-      joiner.add(String.format("%spattern_with_digits%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPatternWithDigits()))));
+      joiner.add(String.format(Locale.ROOT, "%spattern_with_digits%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPatternWithDigits()))));
     }
 
     // add `pattern_with_digits_and_delimiter` to the URL query string
     if (getPatternWithDigitsAndDelimiter() != null) {
-      joiner.add(String.format("%spattern_with_digits_and_delimiter%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPatternWithDigitsAndDelimiter()))));
+      joiner.add(String.format(Locale.ROOT, "%spattern_with_digits_and_delimiter%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPatternWithDigitsAndDelimiter()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Fruit.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -38,6 +39,7 @@ import java.util.logging.Logger;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashSet;
+import java.util.Locale;
 
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParser;
@@ -149,7 +151,7 @@ public class Fruit extends AbstractOpenApiSchema {
                 ret.setActualInstance(deserialized);
                 return ret;
             }
-            throw new IOException(String.format("Failed deserialization for Fruit: %d classes match result, expected 1", match));
+            throw new IOException(String.format(Locale.ROOT, "Failed deserialization for Fruit: %d classes match result, expected 1", match));
         }
 
         /**

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/FruitReq.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -38,6 +39,7 @@ import java.util.logging.Logger;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashSet;
+import java.util.Locale;
 
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParser;
@@ -149,7 +151,7 @@ public class FruitReq extends AbstractOpenApiSchema {
                 ret.setActualInstance(deserialized);
                 return ret;
             }
-            throw new IOException(String.format("Failed deserialization for FruitReq: %d classes match result, expected 1", match));
+            throw new IOException(String.format(Locale.ROOT, "Failed deserialization for FruitReq: %d classes match result, expected 1", match));
         }
 
         /**

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/GmFruit.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -37,6 +38,7 @@ import java.util.logging.Logger;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashSet;
+import java.util.Locale;
 
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParser;

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/GrandparentAnimal.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
@@ -156,7 +157,7 @@ public class GrandparentAnimal {
 
     // add `pet_type` to the URL query string
     if (getPetType() != null) {
-      joiner.add(String.format("%spet_type%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPetType()))));
+      joiner.add(String.format(Locale.ROOT, "%spet_type%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPetType()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/HasOnlyReadOnly.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -163,12 +164,12 @@ public class HasOnlyReadOnly {
 
     // add `bar` to the URL query string
     if (getBar() != null) {
-      joiner.add(String.format("%sbar%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getBar()))));
+      joiner.add(String.format(Locale.ROOT, "%sbar%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getBar()))));
     }
 
     // add `foo` to the URL query string
     if (getFoo() != null) {
-      joiner.add(String.format("%sfoo%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getFoo()))));
+      joiner.add(String.format(Locale.ROOT, "%sfoo%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getFoo()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/HealthCheckResult.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -164,7 +165,7 @@ public class HealthCheckResult {
 
     // add `NullableMessage` to the URL query string
     if (getNullableMessage() != null) {
-      joiner.add(String.format("%sNullableMessage%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getNullableMessage()))));
+      joiner.add(String.format(Locale.ROOT, "%sNullableMessage%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getNullableMessage()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/IsoscelesTriangle.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -173,12 +174,12 @@ public class IsoscelesTriangle {
 
     // add `shapeType` to the URL query string
     if (getShapeType() != null) {
-      joiner.add(String.format("%sshapeType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getShapeType()))));
+      joiner.add(String.format(Locale.ROOT, "%sshapeType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getShapeType()))));
     }
 
     // add `triangleType` to the URL query string
     if (getTriangleType() != null) {
-      joiner.add(String.format("%striangleType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getTriangleType()))));
+      joiner.add(String.format(Locale.ROOT, "%striangleType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getTriangleType()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Mammal.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
@@ -41,6 +42,7 @@ import java.util.logging.Logger;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashSet;
+import java.util.Locale;
 
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParser;
@@ -178,7 +180,7 @@ public class Mammal extends AbstractOpenApiSchema {
                 ret.setActualInstance(deserialized);
                 return ret;
             }
-            throw new IOException(String.format("Failed deserialization for Mammal: %d classes match result, expected 1", match));
+            throw new IOException(String.format(Locale.ROOT, "Failed deserialization for Mammal: %d classes match result, expected 1", match));
         }
 
         /**
@@ -345,7 +347,7 @@ public class Mammal extends AbstractOpenApiSchema {
     }
     if (getActualInstance() instanceof Zebra) {
         if (getActualInstance() != null) {
-          joiner.add(String.format("%sone_of_1%s=%s", prefix, suffix, ApiClient.urlEncode(String.valueOf(getActualInstance()))));
+          joiner.add(String.format(Locale.ROOT, "%sone_of_1%s=%s", prefix, suffix, ApiClient.urlEncode(String.valueOf(getActualInstance()))));
         }
         return joiner.toString();
     }

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/MapTest.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -305,8 +306,8 @@ public class MapTest {
     // add `map_map_of_string` to the URL query string
     if (getMapMapOfString() != null) {
       for (String _key : getMapMapOfString().keySet()) {
-        joiner.add(String.format("%smap_map_of_string%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%smap_map_of_string%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, _key, containerSuffix),
             getMapMapOfString().get(_key), ApiClient.urlEncode(ApiClient.valueToString(getMapMapOfString().get(_key)))));
       }
     }
@@ -314,8 +315,8 @@ public class MapTest {
     // add `map_of_enum_string` to the URL query string
     if (getMapOfEnumString() != null) {
       for (String _key : getMapOfEnumString().keySet()) {
-        joiner.add(String.format("%smap_of_enum_string%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%smap_of_enum_string%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, _key, containerSuffix),
             getMapOfEnumString().get(_key), ApiClient.urlEncode(ApiClient.valueToString(getMapOfEnumString().get(_key)))));
       }
     }
@@ -323,8 +324,8 @@ public class MapTest {
     // add `direct_map` to the URL query string
     if (getDirectMap() != null) {
       for (String _key : getDirectMap().keySet()) {
-        joiner.add(String.format("%sdirect_map%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%sdirect_map%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, _key, containerSuffix),
             getDirectMap().get(_key), ApiClient.urlEncode(ApiClient.valueToString(getDirectMap().get(_key)))));
       }
     }
@@ -332,8 +333,8 @@ public class MapTest {
     // add `indirect_map` to the URL query string
     if (getIndirectMap() != null) {
       for (String _key : getIndirectMap().keySet()) {
-        joiner.add(String.format("%sindirect_map%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%sindirect_map%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, _key, containerSuffix),
             getIndirectMap().get(_key), ApiClient.urlEncode(ApiClient.valueToString(getIndirectMap().get(_key)))));
       }
     }

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/MixedPropertiesAndAdditionalPropertiesClass.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -217,20 +218,20 @@ public class MixedPropertiesAndAdditionalPropertiesClass {
 
     // add `uuid` to the URL query string
     if (getUuid() != null) {
-      joiner.add(String.format("%suuid%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getUuid()))));
+      joiner.add(String.format(Locale.ROOT, "%suuid%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getUuid()))));
     }
 
     // add `dateTime` to the URL query string
     if (getDateTime() != null) {
-      joiner.add(String.format("%sdateTime%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getDateTime()))));
+      joiner.add(String.format(Locale.ROOT, "%sdateTime%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getDateTime()))));
     }
 
     // add `map` to the URL query string
     if (getMap() != null) {
       for (String _key : getMap().keySet()) {
         if (getMap().get(_key) != null) {
-          joiner.add(getMap().get(_key).toUrlQueryString(String.format("%smap%s%s", prefix, suffix,
-              "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix))));
+          joiner.add(getMap().get(_key).toUrlQueryString(String.format(Locale.ROOT, "%smap%s%s", prefix, suffix,
+              "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, _key, containerSuffix))));
         }
       }
     }

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Model200Response.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -173,12 +174,12 @@ public class Model200Response {
 
     // add `name` to the URL query string
     if (getName() != null) {
-      joiner.add(String.format("%sname%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getName()))));
+      joiner.add(String.format(Locale.ROOT, "%sname%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getName()))));
     }
 
     // add `class` to the URL query string
     if (getPropertyClass() != null) {
-      joiner.add(String.format("%sclass%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPropertyClass()))));
+      joiner.add(String.format(Locale.ROOT, "%sclass%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPropertyClass()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ModelApiResponse.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -204,17 +205,17 @@ public class ModelApiResponse {
 
     // add `code` to the URL query string
     if (getCode() != null) {
-      joiner.add(String.format("%scode%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getCode()))));
+      joiner.add(String.format(Locale.ROOT, "%scode%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getCode()))));
     }
 
     // add `type` to the URL query string
     if (getType() != null) {
-      joiner.add(String.format("%stype%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getType()))));
+      joiner.add(String.format(Locale.ROOT, "%stype%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getType()))));
     }
 
     // add `message` to the URL query string
     if (getMessage() != null) {
-      joiner.add(String.format("%smessage%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getMessage()))));
+      joiner.add(String.format(Locale.ROOT, "%smessage%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getMessage()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ModelFile.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -142,7 +143,7 @@ public class ModelFile {
 
     // add `sourceURI` to the URL query string
     if (getSourceURI() != null) {
-      joiner.add(String.format("%ssourceURI%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getSourceURI()))));
+      joiner.add(String.format(Locale.ROOT, "%ssourceURI%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getSourceURI()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ModelList.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -142,7 +143,7 @@ public class ModelList {
 
     // add `123-list` to the URL query string
     if (get123list() != null) {
-      joiner.add(String.format("%s123-list%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(get123list()))));
+      joiner.add(String.format(Locale.ROOT, "%s123-list%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(get123list()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ModelReturn.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -142,7 +143,7 @@ public class ModelReturn {
 
     // add `return` to the URL query string
     if (getReturn() != null) {
-      joiner.add(String.format("%sreturn%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getReturn()))));
+      joiner.add(String.format(Locale.ROOT, "%sreturn%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getReturn()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Name.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -225,22 +226,22 @@ public class Name {
 
     // add `name` to the URL query string
     if (getName() != null) {
-      joiner.add(String.format("%sname%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getName()))));
+      joiner.add(String.format(Locale.ROOT, "%sname%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getName()))));
     }
 
     // add `snake_case` to the URL query string
     if (getSnakeCase() != null) {
-      joiner.add(String.format("%ssnake_case%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getSnakeCase()))));
+      joiner.add(String.format(Locale.ROOT, "%ssnake_case%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getSnakeCase()))));
     }
 
     // add `property` to the URL query string
     if (getProperty() != null) {
-      joiner.add(String.format("%sproperty%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getProperty()))));
+      joiner.add(String.format(Locale.ROOT, "%sproperty%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getProperty()))));
     }
 
     // add `123Number` to the URL query string
     if (get123number() != null) {
-      joiner.add(String.format("%s123Number%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(get123number()))));
+      joiner.add(String.format(Locale.ROOT, "%s123Number%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(get123number()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/NullableClass.java

@@ -23,6 +23,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -688,39 +689,39 @@ public class NullableClass {
 
     // add `integer_prop` to the URL query string
     if (getIntegerProp() != null) {
-      joiner.add(String.format("%sinteger_prop%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getIntegerProp()))));
+      joiner.add(String.format(Locale.ROOT, "%sinteger_prop%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getIntegerProp()))));
     }
 
     // add `number_prop` to the URL query string
     if (getNumberProp() != null) {
-      joiner.add(String.format("%snumber_prop%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getNumberProp()))));
+      joiner.add(String.format(Locale.ROOT, "%snumber_prop%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getNumberProp()))));
     }
 
     // add `boolean_prop` to the URL query string
     if (getBooleanProp() != null) {
-      joiner.add(String.format("%sboolean_prop%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getBooleanProp()))));
+      joiner.add(String.format(Locale.ROOT, "%sboolean_prop%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getBooleanProp()))));
     }
 
     // add `string_prop` to the URL query string
     if (getStringProp() != null) {
-      joiner.add(String.format("%sstring_prop%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getStringProp()))));
+      joiner.add(String.format(Locale.ROOT, "%sstring_prop%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getStringProp()))));
     }
 
     // add `date_prop` to the URL query string
     if (getDateProp() != null) {
-      joiner.add(String.format("%sdate_prop%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getDateProp()))));
+      joiner.add(String.format(Locale.ROOT, "%sdate_prop%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getDateProp()))));
     }
 
     // add `datetime_prop` to the URL query string
     if (getDatetimeProp() != null) {
-      joiner.add(String.format("%sdatetime_prop%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getDatetimeProp()))));
+      joiner.add(String.format(Locale.ROOT, "%sdatetime_prop%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getDatetimeProp()))));
     }
 
     // add `array_nullable_prop` to the URL query string
     if (getArrayNullableProp() != null) {
       for (int i = 0; i < getArrayNullableProp().size(); i++) {
-        joiner.add(String.format("%sarray_nullable_prop%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%sarray_nullable_prop%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, i, containerSuffix),
             ApiClient.urlEncode(ApiClient.valueToString(getArrayNullableProp().get(i)))));
       }
     }
@@ -728,8 +729,8 @@ public class NullableClass {
     // add `array_and_items_nullable_prop` to the URL query string
     if (getArrayAndItemsNullableProp() != null) {
       for (int i = 0; i < getArrayAndItemsNullableProp().size(); i++) {
-        joiner.add(String.format("%sarray_and_items_nullable_prop%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%sarray_and_items_nullable_prop%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, i, containerSuffix),
             ApiClient.urlEncode(ApiClient.valueToString(getArrayAndItemsNullableProp().get(i)))));
       }
     }
@@ -737,8 +738,8 @@ public class NullableClass {
     // add `array_items_nullable` to the URL query string
     if (getArrayItemsNullable() != null) {
       for (int i = 0; i < getArrayItemsNullable().size(); i++) {
-        joiner.add(String.format("%sarray_items_nullable%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%sarray_items_nullable%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, i, containerSuffix),
             ApiClient.urlEncode(ApiClient.valueToString(getArrayItemsNullable().get(i)))));
       }
     }
@@ -746,8 +747,8 @@ public class NullableClass {
     // add `object_nullable_prop` to the URL query string
     if (getObjectNullableProp() != null) {
       for (String _key : getObjectNullableProp().keySet()) {
-        joiner.add(String.format("%sobject_nullable_prop%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%sobject_nullable_prop%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, _key, containerSuffix),
             getObjectNullableProp().get(_key), ApiClient.urlEncode(ApiClient.valueToString(getObjectNullableProp().get(_key)))));
       }
     }
@@ -755,8 +756,8 @@ public class NullableClass {
     // add `object_and_items_nullable_prop` to the URL query string
     if (getObjectAndItemsNullableProp() != null) {
       for (String _key : getObjectAndItemsNullableProp().keySet()) {
-        joiner.add(String.format("%sobject_and_items_nullable_prop%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%sobject_and_items_nullable_prop%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, _key, containerSuffix),
             getObjectAndItemsNullableProp().get(_key), ApiClient.urlEncode(ApiClient.valueToString(getObjectAndItemsNullableProp().get(_key)))));
       }
     }
@@ -764,8 +765,8 @@ public class NullableClass {
     // add `object_items_nullable` to the URL query string
     if (getObjectItemsNullable() != null) {
       for (String _key : getObjectItemsNullable().keySet()) {
-        joiner.add(String.format("%sobject_items_nullable%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, _key, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%sobject_items_nullable%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, _key, containerSuffix),
             getObjectItemsNullable().get(_key), ApiClient.urlEncode(ApiClient.valueToString(getObjectItemsNullable().get(_key)))));
       }
     }

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/NullableShape.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
@@ -40,6 +41,7 @@ import java.util.logging.Logger;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashSet;
+import java.util.Locale;
 
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParser;
@@ -153,7 +155,7 @@ public class NullableShape extends AbstractOpenApiSchema {
                 ret.setActualInstance(deserialized);
                 return ret;
             }
-            throw new IOException(String.format("Failed deserialization for NullableShape: %d classes match result, expected 1", match));
+            throw new IOException(String.format(Locale.ROOT, "Failed deserialization for NullableShape: %d classes match result, expected 1", match));
         }
 
         /**

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/NumberOnly.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -143,7 +144,7 @@ public class NumberOnly {
 
     // add `JustNumber` to the URL query string
     if (getJustNumber() != null) {
-      joiner.add(String.format("%sJustNumber%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getJustNumber()))));
+      joiner.add(String.format(Locale.ROOT, "%sJustNumber%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getJustNumber()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ObjectWithDeprecatedFields.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -253,12 +254,12 @@ public class ObjectWithDeprecatedFields {
 
     // add `uuid` to the URL query string
     if (getUuid() != null) {
-      joiner.add(String.format("%suuid%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getUuid()))));
+      joiner.add(String.format(Locale.ROOT, "%suuid%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getUuid()))));
     }
 
     // add `id` to the URL query string
     if (getId() != null) {
-      joiner.add(String.format("%sid%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getId()))));
+      joiner.add(String.format(Locale.ROOT, "%sid%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getId()))));
     }
 
     // add `deprecatedRef` to the URL query string
@@ -269,8 +270,8 @@ public class ObjectWithDeprecatedFields {
     // add `bars` to the URL query string
     if (getBars() != null) {
       for (int i = 0; i < getBars().size(); i++) {
-        joiner.add(String.format("%sbars%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%sbars%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, i, containerSuffix),
             ApiClient.urlEncode(ApiClient.valueToString(getBars().get(i)))));
       }
     }

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Order.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -335,32 +336,32 @@ public class Order {
 
     // add `id` to the URL query string
     if (getId() != null) {
-      joiner.add(String.format("%sid%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getId()))));
+      joiner.add(String.format(Locale.ROOT, "%sid%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getId()))));
     }
 
     // add `petId` to the URL query string
     if (getPetId() != null) {
-      joiner.add(String.format("%spetId%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPetId()))));
+      joiner.add(String.format(Locale.ROOT, "%spetId%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPetId()))));
     }
 
     // add `quantity` to the URL query string
     if (getQuantity() != null) {
-      joiner.add(String.format("%squantity%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getQuantity()))));
+      joiner.add(String.format(Locale.ROOT, "%squantity%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getQuantity()))));
     }
 
     // add `shipDate` to the URL query string
     if (getShipDate() != null) {
-      joiner.add(String.format("%sshipDate%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getShipDate()))));
+      joiner.add(String.format(Locale.ROOT, "%sshipDate%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getShipDate()))));
     }
 
     // add `status` to the URL query string
     if (getStatus() != null) {
-      joiner.add(String.format("%sstatus%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getStatus()))));
+      joiner.add(String.format(Locale.ROOT, "%sstatus%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getStatus()))));
     }
 
     // add `complete` to the URL query string
     if (getComplete() != null) {
-      joiner.add(String.format("%scomplete%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getComplete()))));
+      joiner.add(String.format(Locale.ROOT, "%scomplete%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getComplete()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/OuterComposite.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -205,17 +206,17 @@ public class OuterComposite {
 
     // add `my_number` to the URL query string
     if (getMyNumber() != null) {
-      joiner.add(String.format("%smy_number%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getMyNumber()))));
+      joiner.add(String.format(Locale.ROOT, "%smy_number%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getMyNumber()))));
     }
 
     // add `my_string` to the URL query string
     if (getMyString() != null) {
-      joiner.add(String.format("%smy_string%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getMyString()))));
+      joiner.add(String.format(Locale.ROOT, "%smy_string%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getMyString()))));
     }
 
     // add `my_boolean` to the URL query string
     if (getMyBoolean() != null) {
-      joiner.add(String.format("%smy_boolean%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getMyBoolean()))));
+      joiner.add(String.format(Locale.ROOT, "%smy_boolean%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getMyBoolean()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/OuterEnum.java

@@ -19,11 +19,13 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 
 
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonValue;
+import java.util.Locale;
 
 /**
  * Gets or Sets OuterEnum
@@ -73,7 +75,7 @@ public enum OuterEnum {
       prefix = "";
     }
 
-    return String.format("%s=%s", prefix, this.toString());
+    return String.format(Locale.ROOT, "%s=%s", prefix, this.toString());
   }
 
 }

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/OuterEnumDefaultValue.java

@@ -19,11 +19,13 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 
 
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonValue;
+import java.util.Locale;
 
 /**
  * Gets or Sets OuterEnumDefaultValue
@@ -73,7 +75,7 @@ public enum OuterEnumDefaultValue {
       prefix = "";
     }
 
-    return String.format("%s=%s", prefix, this.toString());
+    return String.format(Locale.ROOT, "%s=%s", prefix, this.toString());
   }
 
 }

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/OuterEnumInteger.java

@@ -19,11 +19,13 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 
 
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonValue;
+import java.util.Locale;
 
 /**
  * Gets or Sets OuterEnumInteger
@@ -73,7 +75,7 @@ public enum OuterEnumInteger {
       prefix = "";
     }
 
-    return String.format("%s=%s", prefix, this.toString());
+    return String.format(Locale.ROOT, "%s=%s", prefix, this.toString());
   }
 
 }

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/OuterEnumIntegerDefaultValue.java

@@ -19,11 +19,13 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 
 
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonValue;
+import java.util.Locale;
 
 /**
  * Gets or Sets OuterEnumIntegerDefaultValue
@@ -73,7 +75,7 @@ public enum OuterEnumIntegerDefaultValue {
       prefix = "";
     }
 
-    return String.format("%s=%s", prefix, this.toString());
+    return String.format(Locale.ROOT, "%s=%s", prefix, this.toString());
   }
 
 }

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ParentPet.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
@@ -132,7 +133,7 @@ public class ParentPet extends GrandparentAnimal {
 
     // add `pet_type` to the URL query string
     if (getPetType() != null) {
-      joiner.add(String.format("%spet_type%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPetType()))));
+      joiner.add(String.format(Locale.ROOT, "%spet_type%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPetType()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Pet.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -354,7 +355,7 @@ public class Pet {
 
     // add `id` to the URL query string
     if (getId() != null) {
-      joiner.add(String.format("%sid%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getId()))));
+      joiner.add(String.format(Locale.ROOT, "%sid%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getId()))));
     }
 
     // add `category` to the URL query string
@@ -364,14 +365,14 @@ public class Pet {
 
     // add `name` to the URL query string
     if (getName() != null) {
-      joiner.add(String.format("%sname%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getName()))));
+      joiner.add(String.format(Locale.ROOT, "%sname%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getName()))));
     }
 
     // add `photoUrls` to the URL query string
     if (getPhotoUrls() != null) {
       for (int i = 0; i < getPhotoUrls().size(); i++) {
-        joiner.add(String.format("%sphotoUrls%s%s=%s", prefix, suffix,
-            "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix),
+        joiner.add(String.format(Locale.ROOT, "%sphotoUrls%s%s=%s", prefix, suffix,
+            "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, i, containerSuffix),
             ApiClient.urlEncode(ApiClient.valueToString(getPhotoUrls().get(i)))));
       }
     }
@@ -380,15 +381,15 @@ public class Pet {
     if (getTags() != null) {
       for (int i = 0; i < getTags().size(); i++) {
         if (getTags().get(i) != null) {
-          joiner.add(getTags().get(i).toUrlQueryString(String.format("%stags%s%s", prefix, suffix,
-          "".equals(suffix) ? "" : String.format("%s%d%s", containerPrefix, i, containerSuffix))));
+          joiner.add(getTags().get(i).toUrlQueryString(String.format(Locale.ROOT, "%stags%s%s", prefix, suffix,
+          "".equals(suffix) ? "" : String.format(Locale.ROOT, "%s%d%s", containerPrefix, i, containerSuffix))));
         }
       }
     }
 
     // add `status` to the URL query string
     if (getStatus() != null) {
-      joiner.add(String.format("%sstatus%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getStatus()))));
+      joiner.add(String.format(Locale.ROOT, "%sstatus%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getStatus()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Pig.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
@@ -40,6 +41,7 @@ import java.util.logging.Logger;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashSet;
+import java.util.Locale;
 
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParser;
@@ -151,7 +153,7 @@ public class Pig extends AbstractOpenApiSchema {
                 ret.setActualInstance(deserialized);
                 return ret;
             }
-            throw new IOException(String.format("Failed deserialization for Pig: %d classes match result, expected 1", match));
+            throw new IOException(String.format(Locale.ROOT, "Failed deserialization for Pig: %d classes match result, expected 1", match));
         }
 
         /**

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Quadrilateral.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
@@ -40,6 +41,7 @@ import java.util.logging.Logger;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashSet;
+import java.util.Locale;
 
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParser;
@@ -151,7 +153,7 @@ public class Quadrilateral extends AbstractOpenApiSchema {
                 ret.setActualInstance(deserialized);
                 return ret;
             }
-            throw new IOException(String.format("Failed deserialization for Quadrilateral: %d classes match result, expected 1", match));
+            throw new IOException(String.format(Locale.ROOT, "Failed deserialization for Quadrilateral: %d classes match result, expected 1", match));
         }
 
         /**

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/QuadrilateralInterface.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -142,7 +143,7 @@ public class QuadrilateralInterface {
 
     // add `quadrilateralType` to the URL query string
     if (getQuadrilateralType() != null) {
-      joiner.add(String.format("%squadrilateralType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getQuadrilateralType()))));
+      joiner.add(String.format(Locale.ROOT, "%squadrilateralType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getQuadrilateralType()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ReadOnlyFirst.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -171,12 +172,12 @@ public class ReadOnlyFirst {
 
     // add `bar` to the URL query string
     if (getBar() != null) {
-      joiner.add(String.format("%sbar%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getBar()))));
+      joiner.add(String.format(Locale.ROOT, "%sbar%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getBar()))));
     }
 
     // add `baz` to the URL query string
     if (getBaz() != null) {
-      joiner.add(String.format("%sbaz%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getBaz()))));
+      joiner.add(String.format(Locale.ROOT, "%sbaz%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getBaz()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ScaleneTriangle.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -173,12 +174,12 @@ public class ScaleneTriangle {
 
     // add `shapeType` to the URL query string
     if (getShapeType() != null) {
-      joiner.add(String.format("%sshapeType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getShapeType()))));
+      joiner.add(String.format(Locale.ROOT, "%sshapeType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getShapeType()))));
     }
 
     // add `triangleType` to the URL query string
     if (getTriangleType() != null) {
-      joiner.add(String.format("%striangleType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getTriangleType()))));
+      joiner.add(String.format(Locale.ROOT, "%striangleType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getTriangleType()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Shape.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
@@ -40,6 +41,7 @@ import java.util.logging.Logger;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashSet;
+import java.util.Locale;
 
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParser;
@@ -151,7 +153,7 @@ public class Shape extends AbstractOpenApiSchema {
                 ret.setActualInstance(deserialized);
                 return ret;
             }
-            throw new IOException(String.format("Failed deserialization for Shape: %d classes match result, expected 1", match));
+            throw new IOException(String.format(Locale.ROOT, "Failed deserialization for Shape: %d classes match result, expected 1", match));
         }
 
         /**

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ShapeInterface.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -142,7 +143,7 @@ public class ShapeInterface {
 
     // add `shapeType` to the URL query string
     if (getShapeType() != null) {
-      joiner.add(String.format("%sshapeType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getShapeType()))));
+      joiner.add(String.format(Locale.ROOT, "%sshapeType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getShapeType()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ShapeOrNull.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
@@ -40,6 +41,7 @@ import java.util.logging.Logger;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashSet;
+import java.util.Locale;
 
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParser;
@@ -151,7 +153,7 @@ public class ShapeOrNull extends AbstractOpenApiSchema {
                 ret.setActualInstance(deserialized);
                 return ret;
             }
-            throw new IOException(String.format("Failed deserialization for ShapeOrNull: %d classes match result, expected 1", match));
+            throw new IOException(String.format(Locale.ROOT, "Failed deserialization for ShapeOrNull: %d classes match result, expected 1", match));
         }
 
         /**

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/SimpleQuadrilateral.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -173,12 +174,12 @@ public class SimpleQuadrilateral {
 
     // add `shapeType` to the URL query string
     if (getShapeType() != null) {
-      joiner.add(String.format("%sshapeType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getShapeType()))));
+      joiner.add(String.format(Locale.ROOT, "%sshapeType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getShapeType()))));
     }
 
     // add `quadrilateralType` to the URL query string
     if (getQuadrilateralType() != null) {
-      joiner.add(String.format("%squadrilateralType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getQuadrilateralType()))));
+      joiner.add(String.format(Locale.ROOT, "%squadrilateralType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getQuadrilateralType()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/SpecialModelName.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -173,12 +174,12 @@ public class SpecialModelName {
 
     // add `$special[property.name]` to the URL query string
     if (get$SpecialPropertyName() != null) {
-      joiner.add(String.format("%s$special[property.name]%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(get$SpecialPropertyName()))));
+      joiner.add(String.format(Locale.ROOT, "%s$special[property.name]%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(get$SpecialPropertyName()))));
     }
 
     // add `_special_model.name_` to the URL query string
     if (getSpecialModelName() != null) {
-      joiner.add(String.format("%s_special_model.name_%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getSpecialModelName()))));
+      joiner.add(String.format(Locale.ROOT, "%s_special_model.name_%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getSpecialModelName()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Tag.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -173,12 +174,12 @@ public class Tag {
 
     // add `id` to the URL query string
     if (getId() != null) {
-      joiner.add(String.format("%sid%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getId()))));
+      joiner.add(String.format(Locale.ROOT, "%sid%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getId()))));
     }
 
     // add `name` to the URL query string
     if (getName() != null) {
-      joiner.add(String.format("%sname%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getName()))));
+      joiner.add(String.format(Locale.ROOT, "%sname%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getName()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/TestInlineFreeformAdditionalPropertiesRequest.java

@@ -23,6 +23,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -191,7 +192,7 @@ public class TestInlineFreeformAdditionalPropertiesRequest {
 
     // add `someProperty` to the URL query string
     if (getSomeProperty() != null) {
-      joiner.add(String.format("%ssomeProperty%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getSomeProperty()))));
+      joiner.add(String.format(Locale.ROOT, "%ssomeProperty%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getSomeProperty()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Triangle.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
@@ -41,6 +42,7 @@ import java.util.logging.Logger;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashSet;
+import java.util.Locale;
 
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParser;
@@ -178,7 +180,7 @@ public class Triangle extends AbstractOpenApiSchema {
                 ret.setActualInstance(deserialized);
                 return ret;
             }
-            throw new IOException(String.format("Failed deserialization for Triangle: %d classes match result, expected 1", match));
+            throw new IOException(String.format(Locale.ROOT, "Failed deserialization for Triangle: %d classes match result, expected 1", match));
         }
 
         /**

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/TriangleInterface.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -142,7 +143,7 @@ public class TriangleInterface {
 
     // add `triangleType` to the URL query string
     if (getTriangleType() != null) {
-      joiner.add(String.format("%striangleType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getTriangleType()))));
+      joiner.add(String.format(Locale.ROOT, "%striangleType%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getTriangleType()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/User.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -519,62 +520,62 @@ public class User {
 
     // add `id` to the URL query string
     if (getId() != null) {
-      joiner.add(String.format("%sid%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getId()))));
+      joiner.add(String.format(Locale.ROOT, "%sid%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getId()))));
     }
 
     // add `username` to the URL query string
     if (getUsername() != null) {
-      joiner.add(String.format("%susername%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getUsername()))));
+      joiner.add(String.format(Locale.ROOT, "%susername%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getUsername()))));
     }
 
     // add `firstName` to the URL query string
     if (getFirstName() != null) {
-      joiner.add(String.format("%sfirstName%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getFirstName()))));
+      joiner.add(String.format(Locale.ROOT, "%sfirstName%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getFirstName()))));
     }
 
     // add `lastName` to the URL query string
     if (getLastName() != null) {
-      joiner.add(String.format("%slastName%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getLastName()))));
+      joiner.add(String.format(Locale.ROOT, "%slastName%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getLastName()))));
     }
 
     // add `email` to the URL query string
     if (getEmail() != null) {
-      joiner.add(String.format("%semail%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getEmail()))));
+      joiner.add(String.format(Locale.ROOT, "%semail%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getEmail()))));
     }
 
     // add `password` to the URL query string
     if (getPassword() != null) {
-      joiner.add(String.format("%spassword%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPassword()))));
+      joiner.add(String.format(Locale.ROOT, "%spassword%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPassword()))));
     }
 
     // add `phone` to the URL query string
     if (getPhone() != null) {
-      joiner.add(String.format("%sphone%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPhone()))));
+      joiner.add(String.format(Locale.ROOT, "%sphone%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getPhone()))));
     }
 
     // add `userStatus` to the URL query string
     if (getUserStatus() != null) {
-      joiner.add(String.format("%suserStatus%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getUserStatus()))));
+      joiner.add(String.format(Locale.ROOT, "%suserStatus%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getUserStatus()))));
     }
 
     // add `objectWithNoDeclaredProps` to the URL query string
     if (getObjectWithNoDeclaredProps() != null) {
-      joiner.add(String.format("%sobjectWithNoDeclaredProps%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getObjectWithNoDeclaredProps()))));
+      joiner.add(String.format(Locale.ROOT, "%sobjectWithNoDeclaredProps%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getObjectWithNoDeclaredProps()))));
     }
 
     // add `objectWithNoDeclaredPropsNullable` to the URL query string
     if (getObjectWithNoDeclaredPropsNullable() != null) {
-      joiner.add(String.format("%sobjectWithNoDeclaredPropsNullable%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getObjectWithNoDeclaredPropsNullable()))));
+      joiner.add(String.format(Locale.ROOT, "%sobjectWithNoDeclaredPropsNullable%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getObjectWithNoDeclaredPropsNullable()))));
     }
 
     // add `anyTypeProp` to the URL query string
     if (getAnyTypeProp() != null) {
-      joiner.add(String.format("%sanyTypeProp%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getAnyTypeProp()))));
+      joiner.add(String.format(Locale.ROOT, "%sanyTypeProp%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getAnyTypeProp()))));
     }
 
     // add `anyTypePropNullable` to the URL query string
     if (getAnyTypePropNullable() != null) {
-      joiner.add(String.format("%sanyTypePropNullable%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getAnyTypePropNullable()))));
+      joiner.add(String.format(Locale.ROOT, "%sanyTypePropNullable%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getAnyTypePropNullable()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Whale.java

@@ -19,6 +19,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -204,17 +205,17 @@ public class Whale {
 
     // add `hasBaleen` to the URL query string
     if (getHasBaleen() != null) {
-      joiner.add(String.format("%shasBaleen%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getHasBaleen()))));
+      joiner.add(String.format(Locale.ROOT, "%shasBaleen%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getHasBaleen()))));
     }
 
     // add `hasTeeth` to the URL query string
     if (getHasTeeth() != null) {
-      joiner.add(String.format("%shasTeeth%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getHasTeeth()))));
+      joiner.add(String.format(Locale.ROOT, "%shasTeeth%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getHasTeeth()))));
     }
 
     // add `className` to the URL query string
     if (getClassName() != null) {
-      joiner.add(String.format("%sclassName%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getClassName()))));
+      joiner.add(String.format(Locale.ROOT, "%sclassName%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getClassName()))));
     }
 
     return joiner.toString();

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Zebra.java

@@ -23,6 +23,7 @@ import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Locale;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -259,12 +260,12 @@ public class Zebra {
 
     // add `type` to the URL query string
     if (getType() != null) {
-      joiner.add(String.format("%stype%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getType()))));
+      joiner.add(String.format(Locale.ROOT, "%stype%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getType()))));
     }
 
     // add `className` to the URL query string
     if (getClassName() != null) {
-      joiner.add(String.format("%sclassName%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getClassName()))));
+      joiner.add(String.format(Locale.ROOT, "%sclassName%s=%s", prefix, suffix, ApiClient.urlEncode(ApiClient.valueToString(getClassName()))));
     }
 
     return joiner.toString();