java swap elements in linked list

/**
 * @author lautturi.com 
 * Java example:swap linked list element in java
 */


import java.util.*;

public class Lautturi {

	public static void main(String[] args) {
		
		LinkedList<String> list = new LinkedList<String>();		
		list.add("java");
		list.add("python");
		list.add("js");
		list.add("php");
		list.add("hello");
		list.add("lautturi");
		
		System.out.println(list);
		Collections.swap(list,  2,  4);
		System.out.println(list);

	}
}

output:

[java, python, js, php, hello, lautturi]
[java, python, hello, php, js, lautturi]