利用java怎么将字符串转换为String数组

package Tsets;import java.util.Arrays;import java.util.List;public class String2StringList { public static List<String> stringToList(String str){  return Arrays.asList(str.split(",")); } public static void main(String[] args) throws Exception {  String str = "11111,21212,234234,23423424,234234";  List<String> array = stringToList(str);  for(String ss:array){   System.out.println(ss);  } }}