Here you can find the source of split(String value)
public static List<String> split(String value)
//package com.java2s; //License from project: Open Source License import java.util.*; public class Main { public static List<String> split(String value) { final String[] values = value.split(","); return Arrays.asList(values); }//from w w w .j a v a 2 s .c om }