Q62

Given:

public class X implements Z {

       public String toString() {

             return "I am X";

       }

       public static void main(String[] args) {

             Y myY = new Y();

             X myX = myY;

             Z myZ = myX;

             System.out.println(myZ);

       }

}

class Y extends X {

       public String toString() {

             return "I am Y";

       }

}

interface Z {

}

What is the reference type of myZ and what is the type of the object it references?

A.
Reference type is Z; object type is Z.

B.
Reference type is Y; object type is Y.

C.
Reference type is Z; object type is Y.

D.
Reference type is X; object type is Z.

Risposta C