Java Collection Join join(Collection packs)

Description

join

License

Apache License

Declaration

public static String join(Collection<String> packs) 

Method Source Code

//package com.java2s;
/*/* w  ww. j av a 2 s  .  com*/
 * Copyright (C) 2015 Stefan Niederhauser (nidin@gmx.ch)
 *
 * 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<String> packs) {
        final StringBuilder s = new StringBuilder();
        for (final String pack : sorted(packs)) {
            s.append(", ").append(pack);
        }
        return s.length() > 0 ? s.substring(2) : s.toString();
    }

    public static List<String> sorted(Collection<String> ss) {
        final List<String> sorted = new ArrayList<>(ss);
        Collections.sort(sorted);
        return sorted;
    }
}

Related

1. join(Collection items)
2. join(Collection items, String join)
3. join(Collection items, String prefix, String suffix, String itemPrefix, String itemSuffix)
4. join(Collection list)
5. join(Collection list, String conjunction)
6. join(Collection s, String delimiter)
7. join(Collection s, String delimiter)
8. join(Collection src, String delim)
9. join(Collection strings)