QUESTION 44

QUESTION 44 
Given: 
 
interface Fish { } 
 
class Perch implements Fish { } 
 
class Walleye extends Perch { } 
 
class Bluegill { } 
public class Fisherman {
     public static void main(String[] args) {
         Fish f = new Walleye();
         Walleye w = new Walleye();
         Bluegill b = new Bluegill();
         if (f instanceof Perch)
             System.out.print("f-p ");
         if (w instanceof Fish)
             System.out.print("w-f ");
         if (b instanceof Fish)
             System.out.print("b-f ");
     }
 } 
 
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. 
F. An exception is thrown at runtime. 
Solution : B