static void Main(string[] args)
{
// new phone
Phone phone = new Phone();
phone.Type = "Phone";
phone.PowerOn = true;
phone.BatterySize = 2200;
phone.ScreenSize = 4;
phone.Manufacturer = "Samsung";
phone.ProtectiveCase = false;
phone.PrintElectronicsData();
phone.PrintPhoneData();
// new laptop
Laptop laptop = new Laptop();
laptop.Type = "Laptop";
laptop.PowerOn = true;
laptop.BatterySize = 2800;
laptop.ScreenSize = 15;
laptop.Manufacturer = "Compaq";
laptop.Accessories = "Mouse, headphones";
laptop.PrintElectronicsData();
laptop.PrinrLaptopData();
// new book
Book lotr = new Book();
lotr.Name = "Lord of the Rings";
lotr.Publisher = "WSOY";
lotr.Pages = 1000;
lotr.Cover = "Hard";
lotr.Genre = "Fantasy";
lotr.Author = "J.R.R.Tolkien";
lotr.PrintLiteratureData();
lotr.PrintBookData();
// new magazine
Magazine magazine = new Magazine();
magazine.Name = "Tekniikan maailma";
magazine.Publisher = "Otavamedia OY";
magazine.Pages = 50;
magazine.Number = "1/2016";
magazine.PrintLiteratureData();
magazine.PrintMagazineData();
}