Java Collection Join join(Collection words, String character)

Description

Join all element from words list and separate them with character

License

Apache License

Parameter

Parameter	Description
words	List of item to join
character	Character for separation

Return

list of item join with the character

Declaration

public static String join(Collection<String> words, String character) 

Method Source Code

//package com.java2s;
/*//from  w w w . j a  v  a 2s.  c om
 * Copyright 2015 ROLLUS Lo?c
 *
 * 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 {
    /**
     * Join all element from words list and separate them with character
     * @param words List of item to join
     * @param character Character for separation
     * @return list of item join with the character
     */
    public static String join(Collection<String> words, String character) {
        if (words.isEmpty()) {
            return "";
        }
        StringBuilder wordList = new StringBuilder();
        for (String word : words) {
            wordList.append(word).append(character);
        }
        String s = new String(wordList.deleteCharAt(wordList.length()
                - character.length()));
        return s;
    }

    /**
     * Join all element from words array and separate them with character
     * @param words Array of item to join
     * @param character Character for separation
     * @return list of item join with the character
     */
    public static String join(String[] words, String character) {
        if (words.length == 0) {
            return "";
        }
        StringBuilder wordList = new StringBuilder();
        for (String word : words) {
            wordList.append(word).append(character);
        }
        String s = new String(wordList.deleteCharAt(wordList.length()
                - character.length()));
        return s;
    }
}

Related

1. join(Collection strings, String separator)
2. join(Collection strings, String token)
3. join(Collection strs, String sep)
4. join(Collection thisPath, String _delim)
5. join(Collection values)
6. join(Collection c, String concatinator)
7. join(Collection coll, String separator)
8. join(Collection collec, String delimiter)
9. join(Collection collection, CharSequence joinedBy)