public MallardDuck()
{
QuackBehavior = new NormalQuack();
FlyBehavior = new FlyWithWings();
}
public RedheadDuck()
{
FlyBehavior = new FlyWithWings();
QuackBehavior = new NormalQuack();
}
public ModelDuck()
{
_flyBehavior = new FlyNoWay();
_quackBehavior = new NormalQuack();
}
//这里还是显式的实现了具体对象
protected MallardDuck()
{
QuackBehavior = new NormalQuack();
FlyBehavior = new FlyWithWings();
}
public ModelDuck()
{
FlyBehaviour = new NoCanFly();
QuackBehaviour = new NormalQuack();
}
public RubberDuck()
{
QuackBehavior = new NormalQuack();
FlyBehavior = new FlyNoWay();
}
public NormalDuck()
{
_fly = new SlowFly(); //缓慢飞行
_quack = new NormalQuack(); //正常叫声
}
public RedHeadDuck()
{
flyBehavior = new FlyWithWings();
quackBehavior = new NormalQuack();
}
public MallardDuck() : base()
{
_flyBehavior = new FlyWithWings();
_quackBehavior = new NormalQuack();
}
public MallardDuck(string Name)
{
this.Name = Name;
flyBehavior = new FlyWithWings();
quackBehavior = new NormalQuack();
}
