java.lang.Class.isSynthetic()

package com.codingdict;



import java.lang.*;



public class ClassDemo {



   public static void main(String[] args) {



      ClassDemo c = new ClassDemo();

      Class cls = c.getClass();



      // returns true if this class is a synthetic class, else false

      boolean retval = cls.isSynthetic();

      System.out.println("It is a synthetic class ? " + retval);        

   }

}