William Cheng a6cfef53fe
clean up kotlin spring samples (#20445)
* clean up samples

* use 3.0 petstore test spec

* update samples

* better code format
2025-01-11 17:00:54 +08:00
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2023-09-26 09:10:11 +08:00
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2019-05-27 22:17:21 +08:00