Java Collection Join join(final String sep, final Collection strs)

Description

Join the given strings, separated by the given separator.

License

Apache License

Parameter

Parameter	Description
sep	the separator
strs	the strings to join

Return

the joined string

Declaration

public static String join(final String sep,
        final Collection<String> strs) 

Method Source Code

//package com.java2s;
/*/*from   ww w .  j a v  a  2 s .c o  m*/
 * Copyright 2011 Greg Haines
 * 
 * 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 the given strings, separated by the given separator.
     * 
     * @param sep the separator
     * @param strs the strings to join
     * @return the joined string
     */
    public static String join(final String sep, final String... strs) {
        final StringBuilder sb = new StringBuilder();
        String s = "";
        for (final String str : strs) {
            sb.append(s).append(str);
            s = sep;
        }
        return sb.toString();
    }

    /**
     * Join the given strings, separated by the given separator.
     * 
     * @param sep the separator
     * @param strs the strings to join
     * @return the joined string
     */
    public static String join(final String sep,
            final Collection<String> strs) {
        final StringBuilder sb = new StringBuilder();
        String s = "";
        for (final String str : strs) {
            sb.append(s).append(str);
            s = sep;
        }
        return sb.toString();
    }
}

Related

1. join(final Collection objs, String delimiter)
2. join(final String d, final Collection c)
3. join(final String delimiter, final Collection elements)
4. join(final String s, final Collection c)
5. join(final String sep, final Collection c)
6. join(final String separator, final Collection objects)
7. join(final String separator, final Collection objects)
8. join(final String separator, final Collection objects)
9. join(Iterable collection, String delimiter)