public OldDuck()
{
Fly = new FlyWithWings();
Quack = new LoudQuack();
}
public MallardDuck()
{
quackBehavior = new LoudQuack();
flyBehavior = new FlyWithWings();
}
public ModelDuck()
{
quackBehavior = new LoudQuack();
flyBehavior = new CantFly();
}