Java Reflection - Method.getDeclaredAnnotations() Examples

package com.logicbig.example.method;

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

public class GetDeclaredAnnotationsExample {
    @Async
    public void process(){}

    public static void main(String... args) throws NoSuchMethodException {
        Method m = GetDeclaredAnnotationsExample.class.getDeclaredMethod("process");
        Annotation[] annotations = m.getDeclaredAnnotations();
        System.out.println(Arrays.toString(annotations));
    }
    @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 GetDeclaredAnnotationsExample2 {

    public static void main(String... args) throws NoSuchMethodException {
        Method m = GetDeclaredAnnotationsExample2.Task.class.getDeclaredMethod("process");
        Annotation[] annotations = m.getDeclaredAnnotations();
        System.out.println(Arrays.toString(annotations));
    }

    private static class Processor {
        @Async
        public void process() {}
    }

    public static class Task extends Processor {
    }

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