Consider the following code: public class Test { public static void main(String[] args) { } Object a1= new A(); Object a2 = new Object(); System.out.println(al); System.out.println(a2); } class A ( int x; public String tostring() { return "A's x is " + x; 1. What is the output of above code 2. modify the above code such that the Test class object should also invoke the toString method of A class, the test class object should be of type A.