static void Main(string[] args)
{
var b1 = new Book("XXXXXX", "Min bok");
b1.Isbn = "978-3-16-148410-0";
b1.Author = "Kalle";
b1.NrOfPages = 400;
b1.ProductId = 1234;
Console.WriteLine($"Info om boken:");
Console.WriteLine();
Console.WriteLine($" ISBN: {b1.Isbn}");
Console.WriteLine($" Författare: {b1.Author}");
Console.WriteLine($" Antal sidor: {b1.NrOfPages}");
Console.WriteLine($" Vikt: {b1.WeightInGram} gram");
Console.WriteLine($" Storlek: {b1.Size}");
Console.WriteLine($" Produktens id: {b1.ProductId}");
Console.WriteLine();
var e1 = new ElectronicBook("978-9-17-639279-9", "Röda rummet");
e1.SendBookTo("*****@*****.**");
Console.WriteLine();
Console.WriteLine();
}
static void Main(string[] args)
{
var b1 = new Book("111111", "Min bok");
b1.Isbn = "978-3-16-148410-0";
b1.Author = "Kalle";
b1.NrOfPages = 9900;
b1.ProductId = "1234";
Console.WriteLine($"Info om boken:");
Console.WriteLine();
Console.WriteLine($" ISBN: {b1.Isbn}");
Console.WriteLine($" Författare: {b1.Author}");
Console.WriteLine($" Antal sidor: {b1.NrOfPages}");
Console.WriteLine($" Vikt: {b1.WeightInGram(b1.NrOfPages)} gram");
Console.WriteLine($" Storlek: {b1.Size(b1.NrOfPages)}");
Console.WriteLine($" ProductId: {b1.ProductId}");
Console.WriteLine();
//bool isb1 = b1 is Book;
Console.WriteLine("Olika test:");
Console.WriteLine("Är b1 en bok? " + (b1 is Book));
Console.WriteLine("Är b1 en e-bok? " + (b1 is ElectronicBook));
Console.WriteLine("Är b1 en product? " + (b1 is Product));
Console.WriteLine();
var e1 = new ElectronicBook("465745", "Min e-bok");
e1.ProductId = "7777";
Console.WriteLine($"Info om e-boken:");
Console.WriteLine($" ProductId: {e1.ProductId}");
Console.WriteLine();
Console.WriteLine("Olika test:");
Console.WriteLine("Är e1 en bok? " + (e1 is Book));
Console.WriteLine("Är e1 en e-bok? " + (e1 is ElectronicBook));
Console.WriteLine("Är e1 en product? " + (e1 is Product));
Console.WriteLine();
Console.WriteLine("Anrop:");
e1.SendBookTo("*****@*****.**");
}