QUESTION 5

QUESTION 5 

Given: 

 

10. interface Jumper 

{ 

public void jump(); 

} 

... 20. class Animal {} 

... 30. class Dog extends Animal { 

31. Tail tail; 

32. } 

... 40. class Beagle extends Dog implements Jumper{ 

41. public void jump() {} 

42. } 

... 50. class Cat implements Jumper{ 

51.     public void jump() {} 

52. } 

 

Which three are true? (Choose three.) 

 

A. Cat is-a Animal 

B. Cat is-a Jumper 

C. Dog is-a Animal 

D. Dog is-a Jumper 

E. Cat has-a Animal 

F. Beagle has-a Tail 

G. Beagle has-a Jumper

Solution : BCF