public parkingSpot getNextLot(Car car)
	        {
	            for(int i = car.Plevel; i<PARKING_LEVEL ; i++)
	            {
	                ArrayList<parkingSpot> spotList = parkingLeveList[i] ;
	                    for(parkingSpot sp: spotList )
	                    {
	                        if( sp.isFree == true  )
	                        {
	                            return sp ;
	                        }
	                    }
	            }
	            return null ;
	        }