Here you can find the source of join(String glue, Iterable pieces)
| Parameter | Description |
|---|---|
| glue | The separator string. |
| pieces | The objects, as an Iterable. |
public static String join(String glue, Iterable<?> pieces)
//package com.java2s; /******************************************************************************* * File Utilities.java/*from w ww. j av a 2 s . c o m*/ * * Authors: * Kilian Evang, Wolfgang Maier * * Copyright: * Kilian Evang, Wolfgang Maier, 2011 * * This file is part of rparse, see <www.wolfgang-maier.net/rparse>. * * rparse 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 2 of the License, or (at your option) * any later version. * * rparse 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 this program. If not, see <http://www.gnu.org/licenses/>. ******************************************************************************/ import java.util.Iterator; public class Main { /** * Join the toString representations of a list of objects, separated by a given string. * * @param glue * The separator string. * @param pieces * The objects, as an Iterable. * @return The corresponding string. */ public static String join(String glue, Iterable<?> pieces) { StringBuilder result = new StringBuilder(); Iterator<?> it = pieces.iterator(); if (it.hasNext()) { result.append(it.next()); } while (it.hasNext()) { result.append(glue); result.append(it.next()); } return result.toString(); } }