Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2007-2014 Geometer Plus <contact@geometerplus.com>
 *
 * This program 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.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

import java.util.*;

public class Main {
    public static String join(List<String> list, String delimiter) {
        if (list == null || list.isEmpty()) {
            return "";
        }
        final StringBuilder builder = new StringBuilder();
        boolean first = true;
        for (String s : list) {
            if (first) {
                first = false;
            } else {
                builder.append(delimiter);
            }
            builder.append(s);
        }
        return builder.toString();
    }
}