throw new UnsupportedOperationException();
if (cur == null || removed) throw new NoSuchElementException(); if (prev == null) { propertyListHead = cur.getNext(); } else { prev.setNext(cur.getNext()); } if (cur == propertyListTail) { propertyListTail = prev; } removed = true;
		public void remove() {			throw new UnsupportedOperationException();		}