Inner & Nested Class : AnonymousClass

abstract class A
{
    abstract void disp();}
public class AnonymousClass {

    public static void main(String[] args)
    {

        A a1 = new A(){
            @Override            public void disp() {
                System.out.println( "Hi, This is anonymous clasds ." );            }
        };        a1.disp();    }
}