public MallardDuck() { QuackBehavior = new Quack(); FlyBehavior = new FlyWithWings(); }
public RedHeadDuck() { FlyBehavior = new FlyWithWings(); QuackBehavior = new Quack(); }
public ModelDuck() { FlyBehavior = new FlyNoWay(); QuackBehavior = new Quack(); }