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();
正确答案:A
答案解析:有
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