Mine

	public static String lClosure(State state, ArrayList<TransitionRule> alist) {
		Boolean flag = false;
		Set closure = new TreeSet();
		TransitionRule check = null;
  
		for(int i = 0; i<alist.size(); i++) {
		    check = alist.get(i);
		if(check.CState.Name.equals(state.Name) && check.Input.equals("l")) {
			      return lClosure(check.NState, alist);
	
			
		}