@Override
	public LinkedList<Entry<S, T>> getEntrySet() {
		LinkedList<Entry<S, T>> lst = new LinkedList<>();
		Node n = ls.head;
		while (n != null) {
			lst.add(new AbstractMap.SimpleEntry<S, T>(n.key, n.value));
			n = n.next;
		}
		return lst;
	}