Java List与数组之间的转换
1. 数组转换为List
String[] arr = new String[] {"str1", "str2"};
List<String> list = Arrays.asList(arr);
2 .List转换为数组
List<String> list = new ArrayList<String>();
list.add("str1");
list.add("str2");
int size = list.size();
String[] arr = list.toArray(new String[size]);