Java Collection Join join(String sep, Collection objects)

Description

join

License

Open Source License

Declaration

public static String join(String sep, Collection objects) 

Method Source Code

//package com.java2s;
/*/*from ww  w. j  a va2 s  .c  o  m*/
Copyright 2010 Emory University
       
   This file is part of Trans-Atlantic Slave Voyages.
       
   Trans-Atlantic Slave Voyages 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.
       
   Trans-Atlantic Slave Voyages 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 Trans-Atlantic Slave Voyages.  If not, see <http://www.gnu.org/licenses/>. 
*/

import java.util.Collection;

import java.util.Iterator;

public class Main {
    public static String join(String sep, Collection objects) {
        if (objects == null)
            return "";
        StringBuffer res = new StringBuffer();
        int i = 0;
        for (Iterator iter = objects.iterator(); iter.hasNext();) {
            if (i > 0)
                res.append(sep);
            res.append(iter.next());
            i++;
        }
        return res.toString();
    }

    public static String join(String sep, String[] arr) {
        if (arr == null)
            return "";
        StringBuffer res = new StringBuffer();
        for (int i = 0; i < arr.length; i++) {
            if (i > 0)
                res.append(sep);
            res.append(arr[i]);
        }
        return res.toString();
    }
}

Related

1. join(String glue, Collection c)
2. join(String glue, Collection strings)
3. join(String glue, Collection items)
4. join(String join_string, Collection c)
5. join(String joiner, Collection strings)
6. join(String sep, Collection col)
7. join(String sep, Collection col)
8. join(String sep, Collection parts)
9. join(String sep, Collection values)