Java:如何将 String[] 转换为 List 或 Set [英] Java: How to convert String[] to List or Set

问题描述

如何将 String[] (Array) 转换为 Collection，如 ArrayList 或 HashSet?

How to convert String[] (Array) to Collection, like ArrayList or HashSet?

推荐答案

Arrays.asList() 可以解决这个问题.

Arrays.asList() would do the trick here.

String[] words = {"ace", "boom", "crew", "dog", "eon"};   

List<String> wordList = Arrays.asList(words);  

要转换为 Set，您可以执行以下操作

For converting to Set, you can do as below

Set<T> mySet = new HashSet<T>(Arrays.asList(words)); 

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