parkCar

    public boolean parkCar(Car v) {
        if(isFull()== false && isCarAlreadyParked(v.getID())==false){
            int x=-1;
            for(int i=0;i<levels.length;i++){
                x=levels[i].findEmptySpace();
                if(x>-1){
                    levels[i].setCar(x,v);
                    i=levels.length;
                    totalCars++;
                }
            }
            return true;
        }
        return false;
    }