public void Run()
{
Console.WriteLine("Program to an interface, not an implementation");
RubberDuck rubberDuck = new RubberDuck();
IFlyBehaviour flyWithRocket = new FlyWithRocket();
IQuackBehaviour quackWithSqueek = new QuackWithSqueek();
rubberDuck.setFlyBehaivour(flyWithRocket);
rubberDuck.setQuackBehaivour(quackWithSqueek);
rubberDuck.performFly();
rubberDuck.performQuack();
}