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10. public Object m() { 11. Object o = new Float(3.14F); 12. Object [] oa = new Object[1]; 13. oa[0] = o; 14. o = null; 15. return oa[0]; 16. } When is the Float object, created in line 11, eligible for garbage collection?()  

  • A、 Just after line 13.
  • B、 Just after line 14.
  • C、 Never in this method.
  • D、 Just after line 15 (that is, as the method returns).

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更多 “10. public Object m() { 11. Object o = new Float(3.14F); 12. Object [] oa = new Object[1]; 13. oa[0] = o; 14. o = null; 15. return oa[0]; 16. } When is the Float object, created in line 11, eligible for garbage collection?()  A、 Just after line 13.B、 Just after line 14.C、 Never in this method.D、 Just after line 15 (that is, as the method returns).” 相关考题
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考题 单选题1. public class GC {  2. private Object o;  3. private void doSomethingElse(Object obj) { o = obj; }  4. public void doSomething() {  5. Object o = new Object();  6. doSomethingElse(o);  7. o = new Object();  8. doSomethingElse(null);  9.o=null;  10. }  11. }  When the doSomething method is called, after which line does the Object created in line 5 become available for garbage collection?()A  Line 5B  Line 6C  Line 7D  Line 8E  Line 9F  Line 10

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