static void Main(string[] args)
{
Laptop laftop = new Laptop("HP 250 G2", 999);
Console.WriteLine(laftop);
Battery batt=new Battery("Li-Ion, 4-cells, 2550 mAh",4.5);
Laptop laftop1 = new Laptop("Lenovo Yoga 2 Pro", "Lenovo", "Intel Core i5-4210U (2-core, 1.70 - 2.70 GHz, 3MB cache)", 8
, "Intel HD Graphics 4400", "128GB SSD", "13.3\"(33.78 cm) – 3200 x 1800 (QHD+), IPS sensor display", batt, 2259);
Console.WriteLine(laftop1);
Laptop laptop2 = new Laptop("Lenovo Yoga pro 3", 1200);
}
public Laptop(string model, string manifacture, string proccesor,
int? ram, string graphic, string hdd, string screen, Battery battery, decimal price)
{
this.Model = model;
this.Manifacture = manifacture;
this.Proccesor = proccesor;
this.Ram = ram;
this.GraphicCard = graphic;
this.Hdd = hdd;
this.screen = screen;
this.Battery = battery;
this.Price = price;
}