1.public class GC{ 2.private Ob_睦霖题库

单项选择题 1.public class GC{ 2.private Objec to； 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、Line5; B、Line6; C、Line7; D、Line8; E、Line9; F、Line10

正确答案：D
答案解析：
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