Write a program To display method print the addition and substraction by using abstraction.

 

CODE:

abstract class Math {

    abstract void display();

   

}

class add extends  Math {

    public void display() {

        int a=3,b=3;

        System.out.println(a+b);

    }

}

class sub extends Math {

    public void display() {

        int e=3,f=3;

        System.out.println(e-f);

    }

}