static void Main(string[] args)
{
Shop shop = new Shop();
shop.items.Add(new Product("Apple", 12, 2));
shop.items.Add(new Product("Orange", 15, 1));
shop.items.Add(new Product("Pear", 25, 10));
shop.items.Add(new Product("Banana", 45, 5));
shop.ShowAllProducts();
Console.WriteLine();
Order order = shop.Buy("Apple", new Customer("Maksim", "address", "1223456"));
order.Print();
try
{
order = shop.Buy("Table", new Customer("Maksim", "address", "1223456"));
order.Print();
}
catch (NullReferenceException ex)
{
Console.WriteLine(ex.Message);
}
Console.WriteLine();
shop.ShowAllProducts();
}
