Java Collection to String collectionToString(Collection collection)

Description

Returns a collection of Strings as a comma-delimitted list of strings.

License

Open Source License

Return

a String representing the Collection.

Declaration

public static String collectionToString(Collection<String> collection) 

Method Source Code

//package com.java2s;
/**/*from  w  ww  .j a v a  2s  . c  o  m*/
 * $Revision$
 * $Date$
 *
 * Copyright (C) 2004-2008 Jive Software. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.Collection;

public class Main {
    /**
     * Returns a collection of Strings as a comma-delimitted list of strings.
     *
     * @return a String representing the Collection.
     */
    public static String collectionToString(Collection<String> collection) {
        if (collection == null || collection.isEmpty()) {
            return "";
        }
        StringBuilder buf = new StringBuilder();
        String delim = "";
        for (String element : collection) {
            buf.append(delim);
            buf.append(element);
            delim = ",";
        }
        return buf.toString();
    }
}

Related

1. collectionToString(Collection list)
2. collectionToString(Collection list)
3. collectionToString(Collection collection, String prefix)
4. collectionToString(Collection