public parkingLot()
	        {
	            ArrayList<parkingSpot> freeParkingLotList = new ArrayList(FREE_LOTS_NUMER ) ;
	            for (int i = 0 ; i < FREE_LOTS_NUMER; i++  )
	            {
	                freeParkingLotList.add(new FreeParkingSpot()) ;
	            }
	            parkingLeveList[0]= freeParkingLotList ;
	            
	            ArrayList<parkingSpot> MeterParkingLotList = new ArrayList(METER_LOTS_NUMER) ;
	            for(int i = 0 ; i <METER_LOTS_NUMER ; i++)
	            {
	                MeterParkingLotList.add(new MeterParkingSpot() );
	            }
	            parkingLeveList[1] = MeterParkingLotList ;
	            
	            ArrayList<parkingSpot> MonthParkingLotList = new ArrayList(MONTH_LOTS_NUMER ) ;
	            for(int i = 0 ; i<MONTH_LOTS_NUMER; i++)
	            {
	                MonthParkingLotList.add(new MonthlyParkingSpot()) ;
	            }
	            parkingLeveList[2] = MonthParkingLotList;
	        }