接口注释?

问题描述

我想不出在 Java 中注释接口的用例.

I can't figure out a use case for being able to annotate interfaces in Java.

也许有人可以给我举个例子?

Maybe someone could give me an example?

推荐答案

我在 Spring 中使用它来注释接口，注释应该应用于所有子类.例如，假设您有一个 Service 接口，并且您可能有该接口的多个实现，但您希望应用安全注释而不考虑注释.在这种情况下，对界面进行注释是最有意义的.

I've used it in Spring to annotate interfaces where the annotation should apply to all subclasses. For example, say you have a Service interface and you might have multiple implementations of the interface but you want a security annotation to apply regardless of the annotation. In that case, it makes the most sense to annotate the interface.

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