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单项选择题 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 5

B、 Line 6

C、 Line 7

D、 Line 8

E、 Line 9

F、 Line 10

  • D
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