public GSM(string model, string manifacturer, string owner, int? price, Battery battery, Display display) { this.model = model; this.manifacturer = manifacturer; this.owner = owner; this.price = price; this.battery = battery; this.display = display; }
public GSM(string model, string manufacturer, int price , string owner , Battery battery, Display display) { this.Model = model; this.Manufacturer = manufacturer; this.Price = price; this.Owner = owner; this.Battery = battery; this.Display = display; }
public GSM(string model, string manufacturer, decimal price, string owner, Display display, Battery battery) { this.model = model; this.manufacturer = manufacturer; this.price = price; this.owner = owner; this.display = display; this.battery = battery; CallHistory = new List<Call>(); }