Java Collection Join join(String delimiter, Collection strings)

Description

Joins a collection of strings into one with the specified delimiter.

License

Apache License

Declaration

public static String join(String delimiter, Collection<String> strings) 

Method Source Code

//package com.java2s;
/**//  ww  w .jav  a  2  s . c om
 * Copyright 2010 Google Inc.
 *
 * 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;

import java.util.Iterator;

public class Main {
    /**
     * Joins a collection of strings into one with the specified delimiter.
     */
    public static String join(String delimiter, Collection<String> strings) {
        if (strings.isEmpty()) {
            return "";
        }
        Iterator<String> i = strings.iterator();
        StringBuilder sb = new StringBuilder(i.next());
        while (i.hasNext()) {
            sb.append(delimiter);
            sb.append(i.next());
        }
        return sb.toString();
    }
}

Related

1. join(String delimiter, Collection items)
2. join(String delimiter, Collection objects)
3. join(String delimiter, Collection parts)
4. join(String delimiter, Collection items)
5. join(String delimiter, Collection stringCollection)
6. join(String delimiter, Collection values)
7. join(String glue, Collection c)
8. join(String glue, Collection pieces)
9. join(String glue, Collection c)