bazinga

fix #18516 - Add judgment for nullable field to the required judgment. - Add test for java okhttp-gson template to avoid regressions Tests: openapi.yaml ```yaml openapi: 3.0.3 info: title: test...

[BUG] [JAVA] validateJsonElement failed when a field is decorated with both nullable and required

1

#### Bug Report Checklist - [x] Have you provided a full/minimal spec to reproduce the issue? - [x] Have you validated the input using an OpenAPI validator ([example](https://apidevtools.org/swagger-parser/online/))? - [x]...