"SCJP 1.6版考題 032" 修訂間的差異
出自 陳富國維基館
(新頁面: 1. class Mammal{} 2. 3. class Raccoon extends Mammal { 4. Mammal m = new Mammal(); 5. } 6. 7. class BabyRaccoon extends Mammal{} Which four statements are true? (Choose fou...) |
(無差異)
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於 2013年3月30日 (六) 08:13 的最新修訂
1. class Mammal{}
2.
3. class Raccoon extends Mammal {
4. Mammal m = new Mammal();
5. }
6.
7. class BabyRaccoon extends Mammal{}
Which four statements are true? (Choose four.)
A. Raccoon is-a Mammal.
B. Raccoon has-a Mammal.
C. BabyRaccoon is-a Mammal.
D. BabyRaccoon is-a Raccoon.
E. BabyRaccoon has-a Mammal.
F. BabyRaccoon is-a BabyRaccoon.
解答
Ans: A B C F
解說: Raccoon 浣熊,Mammal哺乳類動物
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