99. Given: 
3. interface Animal{void makeNoise()；} 
4. class Horse implements Animal{ 
5. Long weight = 1200L；
 6. public void makeNoise(){System.out.println("whinny")；} 
7. } 
8. public class lcelandic extends Horse{
 9. public void makeNoise(){System.out.println("vinny")；} 
10. public static void main(String[] args) { 
11. Icelandic i1 = new lcelandic()； 
12. Icelandic i2 = new lcelandic()； 
13. Icelandic i3 = new lcelandic()； 
14. i3 = i1； i1 = i2； i2 = null； i3 = i1； 
15. } 
16. }
 When line 14 is reached, how many objects are eligible for the garbage collector?
(A) 0
(B) 1
(C) 2
(D) 3
(E) 4

答案：登入後查看
統計： A(0), B(0), C(1), D(0), E(0) #2722988