public ModelDuck()
{
flyBehaviour = new FlyNoWay();
quackBehaviour = new Quack();
swimBehaviour = new SwimWithPride();
}
public DecoyDuck()
{
flyBehaviour = new FlyNoWay();
quackBehaviour = new MuteQuack();
swimBehaviour = new SwimNoWay();
}
public RubberDuck()
{
flyBehaviour = new FlyNoWay();
quackBehaviour = new Squeak();
swimBehaviour = new SwimWithPride();
}