Q4. Find the output of the following program? class A { int i=4; } class B extends A{ int j =3; int i =2; public void display() { super.i = j + i; System.out.println(j +""+i); } public class TestClass { public static void main(String args[]) { B obj = new B(); obj.display(); A a = new A(); System.out.println(a.i); }}