Java Collection Join join(String delim, Collection collections)

Description

Join.

License

Open Source License

Parameter

Parameter	Description
delim	the delim
collections	the collections

Return

the string

Declaration

public static String join(String delim, Collection<String> collections) 

Method Source Code

//package com.java2s;
/*/*from   w ww.  ja  v  a  2 s  . c o m*/
 * The MIT License
 * 
 * Copyright (c) 2011 Takahiro Hashimoto
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

import java.util.Collection;

public class Main {
    /**
     * Join.
     *
     * @param delim the delim
     * @param collections the collections
     * @return the string
     */
    public static String join(String delim, Collection<String> collections) {
        String[] values = new String[collections.size()];
        collections.toArray(values);
        return join(delim, 0, collections.size(), values);
    }

    /**
     * Join.
     *
     * @param delim the delim
     * @param strings the strings
     * @return the string
     */
    public static String join(String delim, String... strings) {
        return join(delim, 0, strings.length, strings);
    }

    /**
     * Join.
     *
     * @param delim the delim
     * @param start the start
     * @param end the end
     * @param strings the strings
     * @return the string
     */
    public static String join(String delim, int start, int end, String... strings) {
        if (strings.length == 1) {
            return strings[0];
        }
        StringBuilder sb = new StringBuilder(strings[start]);
        for (int i = start + 1; i < end; i++) {
            sb.append(delim).append(strings[i]);
        }
        return sb.toString();
    }
}

Related

1. join(Iterable collection)
2. join(String c, Collection d)
3. join(String delim, Collection list)
4. join(String delim, Collection col)
5. join(String delim, Collection values)
6. join(String delim, Collection values)
7. join(String delimeter, Collection items)
8. join(String delimiter, Collection objects)
9. join(String delimiter, Collection objects)