Java tutorial
//package com.java2s; /** * This file is part of Waarp Project. * * Copyright 2009, Frederic Bregier, and individual contributors by the @author tags. See the * COPYRIGHT.txt in the distribution for a full listing of individual contributors. * * All Waarp Project is free software: you can redistribute it and/or modify it under the terms of * the GNU General Public License as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * Waarp is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General * Public License for more details. * * You should have received a copy of the GNU General Public License along with Waarp . If not, see * <http://www.gnu.org/licenses/>. */ public class Main { /** * Make a replacement of first "find" string by "replace" string into the StringBuilder * * @param builder * @param find * @param replace * @return True if one element is found */ public final static boolean replace(StringBuilder builder, String find, String replace) { if (find == null) { return false; } int start = builder.indexOf(find); if (start == -1) { return false; } int end = start + find.length(); if (replace != null) { builder.replace(start, end, replace); } else { builder.replace(start, end, ""); } return true; } }