可能重复:
Assigning an array to an ArrayList in Java
我需要将String[]
转换为ArrayList<String>
,但我不知道如何转换
File dir = new File(Environment.getExternalStorageDirectory() + "/dir/");
String[] filesOrig = dir.list();
基本上,我希望将filesOrig
转换为ArrayList
。
发布于 2012-04-19 23:05:18
您可以执行以下操作:
String [] strings = new String [] {"1", "2" };
List<String> stringList = new ArrayList<String>(Arrays.asList(strings)); //new ArrayList is only needed if you absolutely need an ArrayList
发布于 2012-04-19 23:03:45
如下所示:
String[] words = {"000", "aaa", "bbb", "ccc", "ddd"};
List<String> wordList = new ArrayList<String>(Arrays.asList(words));
或
List myList = new ArrayList();
String[] words = {"000", "aaa", "bbb", "ccc", "ddd"};
Collections.addAll(myList, words);
发布于 2012-04-19 23:03:46
List<String> list = Arrays.asList(array);
返回的列表将由数组支持,它的作用就像一个桥,所以它的大小是固定的。
https://stackoverflow.com/questions/10230929
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