public City newCity(string newCityName, int dX, int dY)
        {
            City c = new City();   כאן יש בעיה
          c.cityName = newCityName;
            c.cityCenter.Move(dX, dY);
            c.centralStation.Move(dX, dY);
            c.numOfResidents = DEFAULT_VALUE_ZERO;
            c.noOfNeighborhoods = DEFAULT_VALUE_ONE;
            return c;
        
        }
public City(string cityName, int cityCenterX, int cityCenterY, int centralStationX, int centralStationY, long numOfResidents, int noOfNeighborhoods)
        {
            this.CityName = cityName;
            Point p1 = new Point(cityCenterX, cityCenterY);
            this.CityCenter = p1;
            Point p2 = new Point (centralStationX, centralStationY);
            this.CentralStation = p2;
            this.NoOfNeighborhoods = noOfNeighborhoods;
            this.NumOfResidents = numOfResidents;
            //Here, instead adding else after the if, it will be more efficient to assign the value and then chek if it is correct.
            if (noOfNeighborhoods <= DEFAULT_VALUE_ZERO)
            {
                this.noOfNeighborhoods = DEFAULT_VALUE_ONE;
            }
            if (numOfResidents < DEFAULT_VALUE_ZERO)
            {
                this.numOfResidents = DEFAULT_VALUE_ZERO;
            }
        }
        public City(City other)
        {
            this.CityName = other.cityName;
            this.CityCenter = other.cityCenter;
            this.CentralStation = other.centralStation;
            this.NumOfResidents = other.numOfResidents;
            this.NoOfNeighborhoods = other.noOfNeighborhoods;
        }

return new City(newCityName, dX, dY, dX, dY, 450, 10);