简体   繁体   English

如何通过ArrayList的ArrayList获取表的值

[英]How to get values of a table by ArrayList of ArrayList

I have a matter with this. 我对此有疑问。 I Have 2 this: 我有2个:

ArrayList<ArrayList<String>> database = new ArrayList<ArrayList<String>>();// to save each row into database
>ArrayList<String> rows = new ArrayList<String>(); to save each line in to arraylist.

After that, I want to get a values into every column, like this: 之后,我想在每个列中获取一个值,如下所示:

1 2 3 4 5 6 

a f b 4 5 5 

3 3 5 6 1 8

Expected I want is: 我期望的是:

1 a 3

2 f 3

Here is my code: 这是我的代码:

String[] values = line.split(",");
for (String s: values )
rows.add(s);
database.add(rows;)

How could I do the get the expected result? 我怎样才能得到预期的结果?

String[] values = line.split(",")
for (int i = 0; i < values.length; i++) {
  database.get(i).add(values[i])
}

声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.

 
粤ICP备18138465号  © 2020-2024 STACKOOM.COM