第122題

Given:
11. public void genNumbers(){
12. ArrayList numbers = new ArrayList();
13. for(int i=0; i<10; i++){
14. int value = i * ((int)Math.random());
15. Integer intObj = new Integer(value);
16. numbers.add(intObj);
17. }
18. System.out.println(numbers);
19. }

Which line of code marks the earliest point that an object referenced by intObj becomes a candidate for
garbage collection?

A. Line 16
B. Line 17
C. Line 18
D. Line 19
E. The object is NOT a candidate for garbage collection.

答案：D

參考：8-7 資源回收機制