Here you can find the source of substring(String string, int maxChars, String suffix)
public static String substring(String string, int maxChars, String suffix)
//package com.java2s; /******************************************************************************* * Copyright (c) 2010 Robert "Unlogic" Olofsson (unlogic@unlogic.se). * All rights reserved. This program and the accompanying materials * are made available under the terms of the GNU Lesser Public License v3 * which accompanies this distribution, and is available at * http://www.gnu.org/licenses/lgpl-3.0-standalone.html ******************************************************************************/ public class Main { public static String substring(String string, int maxChars, String suffix) { if (string.length() > maxChars) { return string.substring(0, maxChars - 1) + suffix; }/*from w w w .j a v a 2 s . co m*/ return string; } }