Here you can find the source of splitStringByLength(String input, int length)
public static String[] splitStringByLength(String input, int length)
//package com.java2s; /**//from w w w. j a v a 2 s . c om * FlexCore - Licensed under the MIT License (MIT) * * Copyright (c) Stealth2800 <http://stealthyone.com/> * Copyright (c) contributors <https://github.com/FlexSeries> * * 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 String[] splitStringByLength(String input, int length) { List<String> output = new ArrayList<>(); while (input.length() > length) { output.add(input.substring(0, length)); input = input.substring(length); } if (input.length() > 0) { output.add(input); } return output.toArray(new String[output.size()]); } }