Here you can find the source of truncate(String s, int maxLength)
public static String truncate(String s, int maxLength)
//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 ******************************************************************************/ public class Main { public static String truncate(String s, int maxLength) { if (s.length() > maxLength) { StringBuilder sb = new StringBuilder(); sb.append(s.substring(0, maxLength - 3)); sb.append("..."); return sb.toString(); }//from ww w. j a v a 2 s . c o m return s; } }