Java tutorial
//package com.java2s; /* jCAE stand for Java Computer Aided Engineering. Features are : Small CAD modeler, Finite element mesher, Plugin architecture. Copyright (C) 2003,2004,2005, by EADS CRC Copyright (C) 2008, by EADS France This library 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; either version 2.1 of the License, or (at your option) any later version. This library 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. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ import java.io.File; import java.util.ArrayList; public class Main { private static String listToString(ArrayList<String> pathSpec) { if (pathSpec.isEmpty()) return ""; StringBuilder ret = new StringBuilder(); ret.append(pathSpec.get(0)); for (int i = 1, n = pathSpec.size(); i < n; i++) ret.append(File.separator).append(pathSpec.get(i)); return ret.toString(); } }