public DumbDuck()
{
_flybehaviour = new FlyNoWay();
_quackbehaviour = new MuteQuack();
}
public DumbDuck()
{
_flybehaviour = new FlyNoWay();
_quackbehaviour = new MuteQuack();
}
public ModelDuck()
{
_flybehaviour = new FlyNoWay();
_quackbehaviour = new Quacker();
}