static void Main(string[] args)
{
Duck myDuck = new MallardDuck();
myDuck.Display();
myDuck.PerformFly();
myDuck.PerformQuack();
myDuck.SetFlyBehavior(new FlyWithWingsTypeTwo());
myDuck.SetQuackBehavior(new NoQuack());
myDuck.PerformFly();
myDuck.PerformQuack();
myDuck = new RubberDuck();
myDuck.Display();
myDuck.PerformFly();
myDuck.PerformQuack();
myDuck.SetFlyBehavior(new FlyWithJet());
myDuck.SetQuackBehavior(new QuackLikeMallardDuck());
myDuck.PerformFly();
myDuck.PerformQuack();
}
