Here you can find the source of split(final String input, final String separator)
public static List<String> split(final String input, final String separator)
//package com.java2s; /******************************************************************************* * ENdoSnipe 5.0 - (https://github.com/endosnipe) * //from w ww . ja v a 2 s.com * The MIT License (MIT) * * Copyright (c) 2012 Acroquest Technology Co.,Ltd. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. ******************************************************************************/ import java.util.ArrayList; import java.util.List; public class Main { public static List<String> split(final String input, final String separator) { List<String> result = new ArrayList<String>(); if (input == null) { return result; } if (separator == null) { result.add(input); return result; } int separatorLength = separator.length(); int fromIndex = 0; int separatorIndex = input.indexOf(separator, fromIndex); while (separatorIndex >= 0) { result.add(input.substring(fromIndex, separatorIndex)); fromIndex = separatorIndex + separatorLength; separatorIndex = input.indexOf(separator, fromIndex); } if (fromIndex <= input.length()) { result.add(input.substring(fromIndex, input.length())); } return result; } }