update java petstore sample

samples/client/petstore/java/jersey2-java8/docs/Client.md

@@ -0,0 +1,10 @@
+
+# Client
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**client** | **String** |  |  [optional]
+
+
+

samples/client/petstore/java/jersey2-java8/docs/FakeApi.md

@@ -4,10 +4,54 @@ All URIs are relative to *http://petstore.swagger.io/v2*
 
 Method | HTTP request | Description
 ------------- | ------------- | -------------
+[**testClientModel**](FakeApi.md#testClientModel) | **PATCH** /fake | To test \"client\" model
 [**testEndpointParameters**](FakeApi.md#testEndpointParameters) | **POST** /fake | Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
 [**testEnumQueryParameters**](FakeApi.md#testEnumQueryParameters) | **GET** /fake | To test enum query parameters
 
 
+<a name="testClientModel"></a>
+# **testClientModel**
+> Client testClientModel(body)
+
+To test \&quot;client\&quot; model
+
+### Example
+```java
+// Import classes:
+//import io.swagger.client.ApiException;
+//import io.swagger.client.api.FakeApi;
+
+
+FakeApi apiInstance = new FakeApi();
+Client body = new Client(); // Client | client model
+try {
+    Client result = apiInstance.testClientModel(body);
+    System.out.println(result);
+} catch (ApiException e) {
+    System.err.println("Exception when calling FakeApi#testClientModel");
+    e.printStackTrace();
+}
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **body** | [**Client**](Client.md)| client model |
+
+### Return type
+
+[**Client**](Client.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: application/json
+ - **Accept**: application/json
+
 <a name="testEndpointParameters"></a>
 # **testEndpointParameters**
 > testEndpointParameters(number, _double, string, _byte, integer, int32, int64, _float, binary, date, dateTime, password)