Here you can find the source of collectionToString(Collection collection, String seperator)
public static String collectionToString(Collection<? extends Object> collection, String seperator)
//package com.java2s; /*//from ww w .j a v a2 s . c o m * * Copyright 2012 lexergen. * This file is part of lexergen. * * lexergen 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. * * lexergen 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 lexergen. If not, see <http://www.gnu.org/licenses/>. * * lexergen: * A tool to chunk source code into tokens for further processing in a compiler chain. * * Projectgroup: bi, bii * * Authors: Johannes Dahlke * * Module: Softwareprojekt ?bersetzerbau 2012 * * Created: Apr. 2012 * Version: 1.0 * */ import java.util.Collection; import java.util.Iterator; public class Main { public static String collectionToString(Collection<? extends Object> collection, String seperator) { String result = ""; for (Iterator<? extends Object> iterator = collection.iterator(); iterator.hasNext();) { String string = iterator.next().toString(); if (result.length() == 0) result += string; else result += seperator + string; } return result; } }