80. Given:
3. interface Fish{}
4. class Perch implements Fish{}
5. class Walleye extends Perch{}
6. class Bluegill{}
7. public class Fisherman {
8. public static void main(String[] args) {
9. Fish f = new Walleye()；
10. Walleye w = new Walleye()
11. Bluegill b = new Bluegill()；
12. if(f instanceof Perch) System.out.print("f-p ")；
13. if(w instanceof Fish) System.out.print("w-f ")；
14. if(b instanceof Fish) System.out.print("b-f ")；
15. }
16. }
What is the result?
(A) w-f
(B) f-p w-f
(C) w-f b-f
(D) f-p w-f b-f
(E) Compilation fails.
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