单选题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?()ASystem.gc();BRuntime.gc();CSystem.freeMemory();DRuntime.getRuntime().growHeap();ERuntime.getRuntime().freeMemory();

单选题
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();


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多选题11. public interface Status {  12. /* insert code here */ int MY_VALUE = 10;  13. }  Which three are valid on line 12?()AfinalBstaticCnativeDpublicEprivateFabstractGprotected