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A Question: (garbage collection)

aleel_008

发贴: 43
积分: 0

于 2004-10-03 10:44

class Demo {
  private Demo d;
  void start() {
    d = new Demo();
//    d.takeDemo(d);

  }

  void takeDemo(Demo demo) {
    demo = null;
    demo = new Demo();
  }
}
When is the Demo object created on line 3,eligible for garbage collection?
A.After line 5
B.After line 9
C After the start method completes
D When the takeDemo method completes
E.When the instance running this code is made is made eligible for garbage collecction
the answer is E.why B is incorrect and E is correct?

why edited on 2004-10-03 18:57

话题树型展开

人气	标题	作者	字数	发贴时间
4605	A Question: (garbage collection)	aleel_008	636	2004-10-03 10:44
3306	Re:A Question:	elysium922	242	2004-10-03 11:46
3525	Re:A Question:	aleel_008	61	2004-10-03 12:24

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