Topic: 没见过这么变态的面试题~! |
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1.没见过这么变态的面试题~! | Copy to clipboard |
Posted by: simbas Posted on: 2005-02-04 22:16 1.GC是否占资源,如果内存现有的空间不够启动GC,那怎么办? 2.如果 a 引用 b , b 也引用 a ,那 a,b 会被回收吗? |
2.Re:没见过这么变态的面试题~! [Re: simbas] | Copy to clipboard |
Posted by: Jove Posted on: 2005-02-05 09:37 还好啦 对于第二条,取决于当前GC算法吧,计数法就不会被回收,闭包法似乎就会 |
3.Re:没见过这么变态的面试题~! [Re: simbas] | Copy to clipboard |
Posted by: cxp108 Posted on: 2005-02-05 11:43 能不能给个详细答案 |
4.Re:没见过这么变态的面试题~! [Re: simbas] | Copy to clipboard |
Posted by: 孤独王子 Posted on: 2005-02-06 09:10 1 可以用System.gc()来建议执行,不过没有保障 2 会!因为有隔离岛存在 |
5.Re:没见过这么变态的面试题~! [Re: simbas] | Copy to clipboard |
Posted by: floater Posted on: 2005-02-13 03:14 What's wrong with this on an app server, say weblogic? ... System.gc(); System.gc(); ... |
6.Re:没见过这么变态的面试题~! [Re: simbas] | Copy to clipboard |
Posted by: 极地绿光 Posted on: 2005-02-20 21:04 只要程序中有该对象的一个引用,该对象就会继续存在 |
7.Re:没见过这么变态的面试题~! [Re: simbas] | Copy to clipboard |
Posted by: StrUtsOne Posted on: 2005-02-22 09:42 1.什么是GC? 2.什么是引用.是继承么? 现在国语进化的可真快. |
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