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单项选择题 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 objectrbo?()

A、System.gc();

B、Runtime.gc();

C、System.freeMemory();

D、Runtime.getRuntime().growHeap();

E、Runtime.getRuntime().freeMemory();

  • A
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