在使用idea编译器编译java的时候如果出现以上问题解决方法如下

file ->Project Structure ->project setting ->project ->project language level 改成一下选项

diamond types are not supported -sourceX.X

然后在prject setting ->Modules中也将Language level调整至以上选项,做到匹配:

diamond types are not supported -sourceX.X

问题解决

相关文章: