[java] how to cast after clone()?
所在版块：技术の宅 发贴时间：2006-04-06 02:18

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Vector<A> a= new Vector<A>();
Vector<A> b= a.clone(); //1.
Vector<A> b=(Vector) a.clone();//2.
Vector<A> b=(Vector<A>) a. clone(); //3

i have tried all the three ways of casting, but all of them will produce either an error or a warning. Can anyone suggest how to do casting in this case? thanks a lot in advance!

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[java] how to cast after clone()? － 蚂蚁 　2006-04-06 02:18 (317 bytes , 874reads )
1.5的东东比1.4变了好多，搞的连java也不会写了^_^ － 门中木 　2006-04-13 00:04 (0 bytes , 187reads )
try Vector<String> b = new Vector<String>(a); － 绿竹幽径 　2006-04-06 19:07 (51 bytes , 388reads )
有一点点不一样 － 吴永铮 　2006-04-06 23:59 (134 bytes , 256reads )
能解释一下deep clone and shallow clone 么？ － icky 　2006-04-07 09:04 (0 bytes , 211reads )
Shallow clone － 抽烟看球 　2006-04-07 12:21 (97 bytes , 213reads )
is it similar to copy pointer and copy objects in C? － icky 　2006-04-07 18:56 (0 bytes , 230reads )
I didnt make my statement clear enuf － 抽烟看球 　2006-04-09 15:52 (266 bytes , 213reads )
so shallow is just assign a reference , am I right － 门中木 　2006-04-10 22:00 (0 bytes , 266reads )
copy object for container, copy referrence for contained object － 抽烟看球 　2006-04-10 23:27 (0 bytes , 191reads )
我试了，第三个可以啊 － 吴永铮 　2006-04-06 12:50 (470 bytes , 293reads )
多谢！第三个是可以，不过 － 蚂蚁 　2006-04-07 04:20 (84 bytes , 251reads )
Leave it － 抽烟看球 　2006-04-07 14:09 (212 bytes , 235reads )
总是觉得compile之后还有一行字，看起来实在是很不爽！ － 蚂蚁 　2006-04-08 03:10 (0 bytes , 237reads )
what is Vector<A> for? － 逃课专家 　2006-04-06 09:23 (9 bytes , 241reads )
就是说这个vector里面放的都是A这个class的object － 蚂蚁 　2006-04-07 04:21 (0 bytes , 290reads )