public GSM(string model, string manufacturer, decimal price, string owner, Battery baterry, Display display) { this.Model = model; this.Manufacturer = manufacturer; this.Price = price; this.Owner = owner; this.BatteryCharacterisitcs = baterry; this.DisplayCharacterisitcs = display; this.CallHistory = new List<Call>(); }
public GSM(string model, string manufacturer, decimal price, Display display) : this(model, manufacturer, price, null, null, display) { }