Java Array Join join(Object[] arr, String separator)

Description

join

License

Mozilla Public License

Declaration

public static final String join(Object[] arr, String separator) 

Method Source Code

//package com.java2s;
/*/*from   w  ww .  ja v a2s. co  m*/
 * The contents of this file are subject to the Mozilla Public License Version 1.1
 * (the "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
 * 
 * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
 * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
 * language governing rights and limitations under the License.
 * 
 * The Original Code is the Venice Web Communities System.
 * 
 * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@users.sf.net>,
 * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
 * Copyright (C) 2001-2004 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
 * 
 * Contributor(s): 
 */

import java.util.*;

public class Main {
    public static final String join(Object[] arr, String separator) {
        StringBuffer buf = null;
        for (int i = 0; i < arr.length; i++) { // put it all together
            if (buf == null)
                buf = new StringBuffer(arr[i].toString());
            else
                buf.append(separator).append(arr[i].toString());

        } // end for

        return (buf == null) ? null : buf.toString();

    }

    public static final String join(List l, String separator) {
        StringBuffer buf = null;
        Iterator it = l.iterator();
        while (it.hasNext()) { // put it all together
            Object o = it.next();
            if (buf == null)
                buf = new StringBuffer(o.toString());
            else
                buf.append(separator).append(o.toString());

        } // end for

        return (buf == null) ? null : buf.toString();

    }
}

Related

1. join(long[] a, long[] b)
2. join(long[] array, String delim)
3. join(Object[] arguments)
4. join(Object[] arr)
5. join(Object[] arr, String separator)
6. join(Object[] array)
7. join(Object[] array)
8. join(Object[] array)
9. join(Object[] array)