public static void main(String[] args) {
			LinkedList ll = new LinkedList(); // Create a list
			ll.insertAtHead(new LinkableInteger(1)); // Insert some stuff
			ll.insertAtHead(new LinkableInteger(2));
			ll.insertAtHead(new LinkableInteger(3));
			ll.insertAtHead(new LinkableInteger(4));
			ll.insertAtTail(new LinkableInteger(5));
			ll.insertAtTail(new LinkableInteger(6));
			System.out.println(ll.removeFromHead()); // Remove and print a node
			System.out.println(ll.removeFromTail()); // Remove and print again
			ll.remove(new LinkableInteger(2)); // Remove another one

			// Now print out the contents of the list.
			for (Linkable l = ll.getHead(); l != null; l = l.getNext())
				System.out.println(l);
		}