static void Main(string[] args)
{
EnterUsername enterUsername = new EnterUsername();
SaveToDatabase save = new SaveToDatabase(new Database(), "this_computer");
User user = new User();
user.SetCommand(enterUsername);
user.ExecuteCommand();
user.SetCommand(save);
user.ExecuteCommand();
Console.ReadLine();
}
void Main()
{
User invoker = new User(1, "F*g", 3, "User");
Admin receiver = new Admin(2, "Alex", 12);
UsingCommand command = new UsingCommand(receiver);
invoker.SetCommand(command);
invoker.Run();
}