Java Collection Join join(Collection collection, String separator)

Description

join

License

Apache License

Declaration

public static String join(Collection collection, String separator) 

Method Source Code

//package com.java2s;
/*/*from  w  ww .  j  a v a  2  s  .co m*/
 *     Copyright 2017 EntIT Software LLC, a Micro Focus company, L.P.
 *     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.Arrays;
import java.util.Collection;
import java.util.Iterator;

public class Main {
    public static String join(Collection collection, String separator) {
        if (collection == null) {
            return null;
        }

        StringBuffer buffer = new StringBuffer();

        for (Iterator iterator = collection.iterator(); iterator.hasNext(); buffer
                .append(iterator.next().toString())) {
            if (buffer.length() != 0) {
                buffer.append(separator);
            }
        }

        return buffer.toString();
    }

    public static String join(String[] collection, String separator) {
        return join(Arrays.asList(collection), separator);
    }
}

Related

1. join(Collection col, char sep)
2. join(Collection coll, String separator)
3. join(Collection collection)
4. join(Collection collection, String separator)
5. join(Collection collection, String separator)
6. join(Collection collection, String separator)
7. join(Collection collection, String separator, boolean trailing)
8. join(Collection data)
9. join(Collection elements, String separator)