第1年3月17日 head first 策略模式

1.

public abstract class Duck {
    FlyBehavior flyBehavior;
    QuackBehavior quackBehavior;
    public abstract void display();
    public void performFly(){
        flyBehavior.fly();
    }
    public void performQuack(){
        quackBehavior.quack();
    }
    public void setFlyBehavior(FlyBehavior fb){
        this.flyBehavior = fb;
    }
    public void setQuackBehavior(QuackBehavior qb){
        this.quackBehavior=qb;
    }
}

https://www.cnblogs.com/znicy/p/5522422.html

https://blog.csdn.net/phapha1996/article/details/52578571

标签：head,17,void,abstract,QuackBehavior,flyBehavior,public,quackBehavior,first
来源： https://www.cnblogs.com/javastart/p/14547141.html