Java tutorial
//package com.java2s; //License from project: Apache License import java.util.ArrayList; import java.util.Arrays; import java.util.List; public class Main { public static List<String> stringToList(String weeksStr) { List<String> weekList = new ArrayList<>(); if (weeksStr == null || weekList.isEmpty()) { return weekList; } String[] weeksArray = weeksStr.split(","); if (weeksArray.length != 0) { weekList = Arrays.asList(weeksArray); } else { weekList.add(weeksStr); } return weekList; } }