package Upcasting

class X

{

int a ;

final int b;

X(){

b = 200;

}

void show(){

System.out.println("X Show");

}

//final void print(){

void print(){

System.out.println("X Print");

}

}

class Y extends X

{

void disp(){

System.out.println("Y Disp");

}

void show(int x){

System.out.println("Y Show");

}

@Override

void print(){

System.out.println("Y Print");

}

}

public class UpcastingTest {

public static void main(String[] args) {

X obj = new Y();

obj.print();

obj.show();

if(obj instanceof Y){

Y obj2 = (Y) obj;

obj2.disp();

}

}

}