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(One more please)Re:做题求助 [Re:lifecoolwind]

lifecoolwind

发贴: 5
积分: 0

于 2005-02-24 16:08

Given:
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).
Answer: B

why B but not C

话题树型展开

人气	标题	作者	字数	发贴时间
14703	做题求助	lifecoolwind	542	2005-02-23 16:16
12696	(One more please)Re:做题求助	lifecoolwind	398	2005-02-24 16:08
12027	Re:(One more please)Re:做题求助	gavin_yue	1240	2005-10-24 19:33
12718	Re:做题求助	jsmile	453	2005-02-24 09:17
12640	Re:做题求助	lifecoolwind	41	2005-02-24 16:00
12577	Re:做题求助	Seairy	163	2005-03-04 08:33
12403	Re:做题求助	lifecoolwind	0	2005-03-04 16:51
12665	Re:做题求助	michaelyung	401	2005-07-19 11:44
11898	Re:做题求助	ranchgirl	266	2005-10-29 15:46
12119	Re:做题求助	jasonwijh	11	2005-09-25 17:38
12024	Re:做题求助	jaman	51	2005-10-08 11:21
11927	Re:做题求助	floater	62	2005-10-29 21:41
13122	Re:做题求助	anleey	112	2005-11-07 12:46

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