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This article mainly explains "IdeaIU how to set NotNull hint", the content of the article is simple and clear, easy to learn and understand, now please follow the editor's train of thought slowly in depth, together to study and learn "IdeaIU how to set NotNull hint" bar!

Click File-Setting-Inspections

Select Java-Probable bugs-Nullablility problems-@ NotNull/@Nullable problems and click Configure Annotations

You can then add the @ NotNull annotation for spring, and you can set the annotation. Org.springframework.lang.NonNull et al.

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