static async Task Main(string[] args)
{
ILaptop laptop = null;
Console.WriteLine("1. Factory method - using interface...");
CaseInterface.IHPLaptopFactory interfaceFactory = null;
interfaceFactory = new CaseInterface.EnvyHPLaptopFactory();
laptop = interfaceFactory.CreateHPLaptop();
Console.WriteLine(laptop.Description);
Console.WriteLine("2. Factory method - using abstract class...");
CaseAbstractClass.HPLaptopFactory abstractFactory = null;
abstractFactory = new CaseAbstractClass.PavilionHPLaptopFactory();
laptop = abstractFactory.MakeLaptop();
Console.WriteLine(laptop.Description);
Console.WriteLine("3. Factory method - using private constructor...");
var laptop2 = LaptopPrivateConstructor.NewEnvyLaptop("2GH", 1);
Console.WriteLine("4. Factory method - using asynchronous...");
LaptopAsynchronous laptop3 = await LaptopAsynchronous.NewEnvyLaptopAsync("2GH", 1);
Console.WriteLine("5. Factory method - using inner class...");
var laptop4 = LaptopInnerClass.Factory.NewEnvyLaptop("2GH", 1);
}
public static async Task <LaptopAsynchronous> NewEnvyLaptopAsync(string processor, int storageInTB)
{
var result = new LaptopAsynchronous(processor, storageInTB * 1024, HPLaptopModel.envy);
return(await result.InitEnvyPriceAsync());
}