C# (CSharp) Strategy QuackQuack示例

示例#1

 public MallardDuck()
 {
     FlyBehavior   = new FlyWithWings();
     QuackBehavior = new QuackQuack();
 }

示例#2

 public ModelDuck()
 {
     FlyBehavior   = new FlyNoWay();
     QuackBehavior = new QuackQuack();
 }

示例#3

 public RedheadDuck()
 {
     FlyBehavior   = new FlyWithWings();
     QuackBehavior = new QuackQuack();
 }