java中List转数组，数组转List

废话不说，直接上代码

List转成数组

List<String> nameList = new ArrayList<>();
nameList .add("123');
nameList .add("123');
nameList .add("123');
//转成数组
String[] arr = nameList.toArray(new String[nameList.size()]);

String[] arr = new String[] {"1", "2"};
List list = Arrays.asList(arr);

java中List转数组，数组转List

原文：http://blog.csdn.net/ljfwl/article/details/45217457