问题:
11. rbo = new ReallyBigObject();
12. // more code here
13. rbo = null;
14. /* insert code here */
Which statement should be placed at line 14 to suggest that the virtual machine expend effort toward recycling the memory used by the object rbo?()
A . System.gc();
B . Runtime.gc();
C . System.freeMemory();
D . Runtime.getRuntime().growHeap();
E . Runtime.getRuntime().freeMemory();
11. rbo = new ReallyBigObject();
12. // more code here
13. rbo = null;
14. /* insert code here */
Which statement should be placed at line 14 to suggest that the virtual machine expend effort toward recycling the memory used by the object rbo?()
● 参考解析
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