在Arraylist中搜索Arraylist。 [英] Search Arraylist in Arraylist.
问题描述
大家好，
我有一个包含{0,1,2,3,4,5,9,8,7}的arraylist A1
我有另一个arraylist A2包含{4,5,9}
我想搜索A1中是否存在A2并且可能返回
首次出现指数。有人可以就此提出建议吗？
谢谢，
Simon
Hi all,
I''ve an arraylist A1 that contains {0,1,2,3,4,5,9,8,7}
I''ve another arraylist A2 that contains {4,5,9}
I would like to search whether if A2 is present in A1 and maybe return the
first occurance index. Can anyone advise on this?
Thanks,
Simon
推荐答案
西蒙，
我会使用这种方法。
http://msdn2.microsoft.com/en-us/lib...t.indexof.aspx
我希望这会有所帮助，
Cor
Simon,
I would use this method.
http://msdn2.microsoft.com/en-us/lib...t.indexof.aspx
I hope this helps,
Cor
Cor，
我试过这个，但似乎没有工作。我认为这个函数
的作用是它搜索我的A1中的每个项目以获得完整匹配
的整个A2。也就是说：
A1中的项目：A2中的项目：
0 {4,5,9}
1
2
3
4
5
9
8
7
它搜索A1中的每个项目以获得{4,5,9}的arraylist。相反，我需要
类似
A1中的项目：A2中的项目：
0 4
1 5
2 9
3
4
5
9
8
7
对不起，我不能解释得太好，但还有其他方法吗？
< br $>
- 西蒙
" Cor Ligthert [MVP]" <无************ @ planet.nl>在消息中写道
news：％2 **************** @ TK2MSFTNGP12.phx.gbl ...
Cor,
I''ve tried this but doesn''t seem to be working. I think what this function
does is that it searches through each items in my A1 for the exact matches
of the whole of A2. That is to say:
Items in A1: Items in A2:
0 {4,5,9}
1
2
3
4
5
9
8
7
It searches each items in A1 for an arraylist of {4,5,9}. Instead, I need
something like
Items in A1: Items in A2:
0 4
1 5
2 9
3
4
5
9
8
7
Sorry I can''t explain too well, but any other ways?
--Simon
"Cor Ligthert [MVP]" <no************@planet.nl> wrote in message
news:%2****************@TK2MSFTNGP12.phx.gbl...
Simon，
我会用这种方法。
http://msdn2.microsoft.com/en-us/lib...t.indexof.aspx
我希望这有帮助，
Cor
Simon,
I would use this method.
http://msdn2.microsoft.com/en-us/lib...t.indexof.aspx
I hope this helps,
Cor
Simon Says写道：
Simon Says wrote:
大家好，
我有一个包含{0,1,2,3,4,5,9,8,7}的arraylist A1
我有另一个包含{4,5的arraylist A2 ，9}
我想搜索A1中是否存在A2并且可能返回第一个出现指数。有人可以就此提出建议吗？
Hi all,
I''ve an arraylist A1 that contains {0,1,2,3,4,5,9,8,7}
I''ve another arraylist A2 that contains {4,5,9}
I would like to search whether if A2 is present in A1 and maybe
return the first occurance index. Can anyone advise on this?
您是说A1和A2中的元素是唯一的还是有序的？是
A1和A2是多么微不足道？
如果计数（A2）>计数（A1）则不匹配
获取A2的第一个元素并在A1中找到它
检查A1中是否有足够的元素可以进行匹配
获取A2的后续元素并将它们与后续元素进行比较A1的元素
Andrew
Are you saying that the elements in A1 and A2 are unique and in order? Are
A1 and A2 of trivial length?
if count(A2)>count(A1) then no match
take first element of A2 and find it in A1
check there are enough elements remaining in A1 for a match to be possible
take subsequent elements of A2 and compare them to subsequent elements of A1
Andrew
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