Java tutorial
import java.util.Collections; import java.util.LinkedList; import java.util.List; public class Main { public static void main(String args[]) { List<Character> ll = new LinkedList<Character>(); for (char n = 'A'; n <= 'F'; n++) ll.add(n); System.out.println(ll); Collections.reverse(ll); System.out.println(ll); Collections.rotate(ll, 2); System.out.println(ll); Collections.shuffle(ll); System.out.println(ll); } }