Java List to String listToString(List l, String sep)

Description

Alternate to List.toString() that formats the list as a simple string using a specified string as the separator between elements.

License

Open Source License

Parameter

Parameter	Description
l	the list of strings to concatenated into a single string.
sep	the seperator to inserted between each list element.

Declaration

public static String listToString(List<String> l, String sep) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2005-2012 Synopsys, Incorporated
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:// w w  w.j  av a  2s. co  m
 * Synopsys, Inc - Initial implementation 
 *******************************************************************************/

import java.util.List;

public class Main {
    /**
    * Alternate to List.toString() that formats the list
    * as a simple string using a specified string as the
    * separator between elements.
    * @param l the list of strings to  concatenated into a single string.
    * @param sep the seperator to inserted between each list element.
    */
    public static String listToString(List<String> l, String sep) {
        if (l == null)
            return "";
        StringBuffer b = new StringBuffer();
        appendListToString(b, l, sep);
        return b.toString();
    }

    /**
    * Append a list to a string buffer placing a specified
    * string between each element.
    * @param b the string buffer to be filled in.
    * @param l the list of strings to be appended.
    * @param sep the seperator to inserted between each list element.
    */
    public static void appendListToString(StringBuffer b, List<String> l, String sep) {
        if (l != null) {
            for (String element : l) {
                b.append(sep);
                b.append(element);
            }
        }
    }
}

Related

1. listToString(List list)
2. listToString(List list)
3. listToString(List