private boolean isEqual(List<String> list1, List<String> list2) {
		Iterator<String> itr1 = list1.iterator();
		
		if (list1.size() != list2.size())
			return false;
		
		while(itr1.hasNext()) {
			String element1 = itr1.next();
			if(!list2.contains(element1))
				return false;
		}
		
		return true;
	}