static void Main(string[] args)
        {
            Computer pc     = ComputerFactory.getComputer("PC", "2 GB", "128 GB", "2.3 GHz");
            Computer server = ComputerFactory.getComputer("Server", "4 GB", "500 GB", "2.4 GHz");

            Console.WriteLine("Factory PC Config: " + pc.toString());
            Console.WriteLine("Factory Server Config: " + server.toString());

            Console.ReadKey();
        }