public RocketDuck() { FlyBehaviour = new RocketFlyBehaviour(); QuackBehaviour = new SilentBehaviour(); }
public WoodenDuck() { FlyBehaviour = new NoFlyBehaviour(); QuackBehaviour = new SilentBehaviour(); }
public SteelDuck() { FlyBehaviour = new NoFlyBehaviour(); QuackBehaviour = new SilentBehaviour(); SwimBehaviour = new NoSwimBehaviour(); }