Java Collection Join join(final Collection seq, final String delimiter)

Description

join

License

Open Source License

Declaration

public static String join(final Collection<String> seq, final String delimiter) 

Method Source Code

//package com.java2s;
/* Copyright c 2005-2012.
 * Licensed under GNU  LESSER General Public License, Version 3.
 * http://www.gnu.org/licenses/*from   ww w .  ja va 2 s.c o m*/
 */

import java.util.Collection;

public class Main {
    public static final String DELIMITER = ",";

    public static String join(final String[] seq, final String delimiter) {
        if (null == seq || seq.length < 1) {
            return "";
        } else {
            StringBuilder aim = new StringBuilder();
            for (int i = 0; i < seq.length; i++) {
                if (null != delimiter && aim.length() > 0) {
                    aim.append(delimiter);
                }
                aim.append(seq[i]);
            }
            return aim.toString();
        }
    }

    public static String join(final Collection<String> seq, final String delimiter) {
        if (null == seq || seq.size() < 1) {
            return "";
        } else {
            StringBuilder aim = new StringBuilder();
            for (String one : seq) {
                if (null != delimiter && aim.length() > 0) {
                    aim.append(delimiter);
                }
                aim.append(one);
            }
            return aim.toString();
        }
    }

    public static String join(final String... seq) {
        return join(seq, DELIMITER);
    }
}

Related

1. join(final Collection