static void Main(string[] args)
{
Duck mallard = new MallardDuck();
mallard.Display();
mallard.PerformQuack();
mallard.PerformFly();
Duck model = new ModelDuck();
model.PerformFly();
model.SetFlyBehavior(new FlyRocketPowered());
model.PerformFly();
Console.ReadKey();
}
static void Main(string [] args)
{
MallardDuck mallardDuck = new MallardDuck();
PlayWithDuck(mallardDuck);
RedheadDuck redheadDuck = new RedheadDuck();
PlayWithDuck(redheadDuck);
RubberDuck rubberDuck = new RubberDuck();
PlayWithDuck(rubberDuck);
DecoyDuck decoyDuck = new DecoyDuck();
PlayWithDuck(decoyDuck);
ModelDuck modelDuck = new ModelDuck();
PlayWithDuck(modelDuck);
modelDuck.SetFlyBehavior(FlyBehavior.FlyWithWingsAction());
PlayWithDuck(modelDuck);
}