Java Collection Join join(Collection strs, String separator)

Description

join

License

Apache License

Declaration

public static String join(Collection<? extends Object> strs, String separator) 

Method Source Code

//package com.java2s;
/*/*w w  w .  ja  va  2  s .  c om*/
 *    Copyright 2010-2012 University of Toronto
 *
 *    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.*;

public class Main {
    public static String join(Collection<? extends Object> strs, String separator) {
        StringBuilder result = null;
        for (Object o : strs) {
            if (result == null) {
                result = new StringBuilder();
            } else {
                result.append(separator);
            }
            result.append(o);
        }
        return result.toString();
    }
}

Related

1. join(Collection collection, String separator)
2. join(Collection elements, String separator)
3. join(Collection list, String separator)
4. join(Collection objects, String delim)
5. join(Collection strings, String separator)
6. join(Collection c, String delim)
7. join(Collection c, String delimiter)
8. join(Collection c, String insert)
9. join(Collection c, String separator)