자격증/OCJP_ExamB
QUESTION 5
IT grow.
2018. 7. 9. 00:37
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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
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