Here you can find the source of split(String s, String delimiter)
public static String[] split(String s, String delimiter)
//package com.java2s; /******************************************************************************* * Copyright (c) 2014,2015 Hideki Yatomi * All rights reserved. This program and the accompanying materials are made * available under the terms of the Eclipse Public License v1.0 which * accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html ******************************************************************************/ import java.util.*; public class Main { public static String[] split(String s, String delimiter) { StringTokenizer tk = new StringTokenizer(s, delimiter); List<String> list = new ArrayList<>(); while (tk.hasMoreTokens()) { list.add(tk.nextToken());/*from w w w .j a v a2 s. com*/ } return list.toArray(new String[list.size()]); } }