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Asked: 2026-05-30T19:17:39+00:00

I want to write a simple annotation like @interface MyClassAnnotation and @interface MyMethodAnnotation that

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I want to write a simple annotation like “@interface MyClassAnnotation” and “@interface MyMethodAnnotation” that targets Classes and Methods! but the main problem is that on main function i need to list all Class and Method instances on all JVM having that annotations! and I do not want to use any extra libraries, just pure built-in java functions.
Can anyone give me a good snippet for it?

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1 Answer

  1. Editorial Team

    You can determine whether your annotation is present on a particular class or method using the getAnnotation element, which is implemented by both Class and java.lang.reflect.Method.

    The real question is, which classes and methods do you want to test this on? “All of them” is a bit hard to define. There doesn’t seem to be a way to enumerate all of the classes that have been loaded by the JVM.

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