public class LinkedListTest
{
	public static void main(String[] args)
	{
		LinkedList classRoster = new LinkedList();
		classRoster.addFirst("Harry");		
		classRoster.addLast("Dick");
		classRoster.addLast("Romeo");
		classRoster.addFirst("Tom");
		classRoster.removeLast();
		classRoster.removeFirst();
		System.out.println(classRoster.getFirst());
		System.out.println(classRoster.getLast());
	}
}