How do you know if a class is an annotation

Question

how to juge a class is an annotation,

• How do you know if a class is an annotation

Is there a good Samaritan out there,,,,,,, how to juge a class is an annotation

Answer 1

Maybe you can like this:

if(class.hasMethodAnnotation(Annotation.class)){}

Answer 2

Maybe you can do like this;

if (MyExampleClass.class.isAnnotationPresent(MyExampleAnnotation.class)) {
}

Answer 3

If you have the source code: an annotation is declard as

@interface MyAnnotation { /* ... */ }

If you have some class object:

// Class<?> myClass = MyAnnotation.class;
if (myClass.isAnnotation()) { /* ... */ }