Java Reflection - Method.getAnnotations() Examples

package com.logicbig.example.method;

import java.lang.annotation.*;
import java.lang.reflect.Method;
import java.util.Arrays;

public class GetAnnotationsExample {
    private static class Test{
        @Deprecated
        @Async
        public void process() {
        }
    }

    public static void main(String... args) throws NoSuchMethodException {
        Method m = Test.class.getDeclaredMethod("process");
        Annotation[] a = m.getAnnotations();
        System.out.println(a.length);
        Arrays.stream(a).forEach(System.out::println);
    }


    @Target({ElementType.METHOD})
    @Retention(RetentionPolicy.RUNTIME)
    private @interface Async {}

} 

package com.logicbig.example.method;

import java.lang.annotation.*;
import java.lang.reflect.Method;
import java.util.Arrays;

public class GetAnnotationsExample2 {
    private static class Test {
        @Deprecated
        @Async
        public void process() {
        }
    }

    private static class SubTest extends Test {
    }

    public static void main(String... args) throws NoSuchMethodException {
        Method m = SubTest.class.getMethod("process");
        Annotation[] annotations = m.getAnnotations();
        System.out.println(annotations.length);
        Arrays.stream(annotations).forEach(System.out::println);
    }

    @Inherited
    @Target({ElementType.METHOD})
    @Retention(RetentionPolicy.RUNTIME)
    private @interface Async {}

}