Java tutorial
//package com.java2s; /** * Copyright 2000-2006 DFKI GmbH. * All Rights Reserved. Use is subject to license terms. * <p/> * This file is part of MARY TTS. * <p/> * MARY TTS is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, version 3 of the License. * <p/> * This program 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 Lesser General Public License for more details. * <p/> * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.util.Collection; public class Main { /** * Join a collection of strings into a single String object, in the order * indicated by the collection's iterator. * * @param strings a collection containing exclusively String objects * @return a single String object */ public static String joinStrings(Collection<String> strings) { StringBuilder buf = new StringBuilder(); if (strings == null) { throw new NullPointerException("Received null collection"); } for (String s : strings) { buf.append(s); } return buf.toString(); } }