Get annotation by Annotation class : Annotation « Reflection « Java Tutorial

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.reflect.Method;

@interface MySingle {
  int value(); // this variable name must be value

class Single {
  public static void myMeth() {
    Single ob = new Single();

    try {
      Method m = ob.getClass().getMethod("myMeth");

      MySingle anno = m.getAnnotation(MySingle.class);

      System.out.println(anno.value()); // displays 100

    } catch (NoSuchMethodException exc) {
      System.out.println("Method Not Found.");

  public static void main(String args[]) {

7.8.1.Use reflection to display the annotation associated with a method.
7.8.2.Show all annotations for a class and a method.
7.8.3.Get annotation by Annotation class
7.8.4.Get annotation by type