Source Code : default values in an annotation.

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default values in an annotation.

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

@Retention(RetentionPolicy.RUNTIME)
@interface MyAnno {
  String str() default "Testing";

  int val() default 9000;
}

class Meta3 {
  @MyAnno()
  public static void myMeth() {
    Meta3 ob = new Meta3();

    try {
      Class c = ob.getClass();

      Method m = c.getMethod("myMeth");

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

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

  public static void main(String args[]) {
    myMeth();
  }
}

   
    
  

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