Java List Join join(List vec, String separator)

Description

Return a string that contains all the list components as strings separated by the specified separator.

License

Mozilla Public License

Parameter

Parameter	Description
vec	the list to convert to a separated string
separator	the string separator between elements

Return

a concatenated string of the list elements

Declaration

public static String join(List vec, String separator) 

Method Source Code

//package com.java2s;
/*/*from   w  w w  .j a va2s.  com*/
 *
 * 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 jRelationalFramework.
 *
 * The Initial Developer of the Original Code is is.com.
 * Portions created by is.com are Copyright (C) 2000 is.com.
 * All Rights Reserved.
 *
 * Contributor: CJ Hurst (cjhurst@is.com)
 * Contributor: Tim Dawson (tdawson@is.com)
 * Contributor: ______________________________
 *
 * Alternatively, the contents of this file may be used under the terms of
 * the GNU General Public License (the "GPL") or the GNU Lesser General
 * Public license (the "LGPL"), in which case the provisions of the GPL or
 * LGPL are applicable instead of those above.  If you wish to allow use of
 * your version of this file only under the terms of either the GPL or LGPL
 * and not to allow others to use your version of this file under the MPL,
 * indicate your decision by deleting the provisions above and replace them
 * with the notice and other provisions required by either the GPL or LGPL
 * License.  If you do not delete the provisions above, a recipient may use
 * your version of this file under either the MPL or GPL or LGPL License.
 *
 */

import java.util.Iterator;
import java.util.List;

public class Main {
    /**
     *  Return a string that contains all the list components as strings
     *  separated by the specified separator.
     *
     * @param vec        the list to convert to a separated string
     * @param separator  the string separator between elements
     * @return           a concatenated string of the list elements
     */
    public static String join(List vec, String separator) {
        StringBuffer buf = new StringBuffer();

        if (separator == null) {
            separator = "";
        }

        Iterator e = vec.iterator();
        while (e.hasNext()) {
            buf.append(e.next().toString());

            // if there are more, include the separator
            if (e.hasNext()) {
                buf.append(separator);
            }
        }

        return buf.toString();
    }
}

Related

1. join(List list, String separator)
2. join(List list, String separator)
3. join(List objects)
4. join(List objects, String joiner)
5. join(List strings, String delimiter)
6. join(List items, CharSequence delimiter)
7. join(List s, String delimiter)
8. join(List s, String delimiter)
9. join(List items, String conjunction)