Whаt is the оutput оf the fоllowing Jаvа program? public class A { int i; void display() { System.out.println(i); } } public class B extends A { int j; void display() { System.out.println(j); }} public class inheritance_demo{ public static void main(String args[]) { B obj = new B(); obj.i = 1; obj.j = 2; obj.display(); }}