11月5每日打卡
实现一个双向适配器,使得猫可以学狗叫,狗可以学猫抓老鼠:
代码
Cat接口(另一个类似):
public interface Cat {
  void cry();
  void catchMouse();
}
实体Cat类(另一个类似):
public class ConcreteCat implements Cat{
    @Override
    public void cry() {
        System.out.println("猫叫");
    }
    @Override
    public void catchMouse() {
        System.out.println("猫抓老鼠");
    }
}
适配器类:
public class Adapter implements Dog,Cat{
    private Cat cat;
    private Dog dog;
    public Cat getCat() {
        return cat;
    }
    public void setCat(Cat cat) {
        this.cat = cat;
    }
    public Dog getDog() {
        return dog;
    }
    public void setDog(Dog dog) {
        this.dog = dog;
    }
    @Override
    public void cry() //猫学狗叫
    {
       System.out.print( "猫学");
        dog.wang();
    }
    @Override
    public void catchMouse() {
        cat.catchMouse();
    }
    @Override
    public void wang() {
        dog.wang();
    }
    @Override
    public void action() //狗学猫抓老鼠
    {
        System.out.print( "狗学");
        cat.catchMouse();
    }
}
}
Test测试类
public class Test {
    public static void main(String args[])
    {
        Cat cat1 = new ConcreteCat();
        Dog dog1 = new ConcreteDog();
        Adapter A1 = new Adapter();
        A1.setCat(cat1);
        A1.setDog(dog1);
        cat1 = (Cat) A1;
        cat1.catchMouse();
        cat1.cry();
        dog1 = (Dog) A1;
        dog1.action();
    }
}
 
                    
                     
                    
                 
                    
                 
                
            
         
         浙公网安备 33010602011771号
浙公网安备 33010602011771号