String[]与List的相互转换

String[]转List

String[] arr = new String[]{"a","b","c"};
List<String> list = Arrays.asList(arr);

List<String>转String[]

List<String> list = new ArrayList<String>();

list.add("a");

list.add("b");

list.add("c");

String[] arr = list.toArray(new String[list.size()]);