static void Main(string[] args)
{
Duck mallardDuck = new MallardDuck();
mallardDuck.Display();
mallardDuck.PerformFly();
mallardDuck.PerformQuack();
mallardDuck.SetFlyingBehaviour(new FlyWithRocket());
mallardDuck.PerformFly();
Console.WriteLine();
Console.WriteLine();
Duck plasticDuck = new PlasticDuck();
plasticDuck.Display();
plasticDuck.PerformFly();
plasticDuck.PerformQuack();
}
static void Main(string[] args)
{
Duck mallard = new MallardDuck();
mallard.Display();
mallard.PerformeFly();
mallard.PerformeQuack();
Duck model = new ModelDuck();
model.Display();
model.PerformeFly();
model.FlyBehavior = new FlyRocketPowered();
model.PerformeFly();
Console.ReadKey();
}