适配器模式

java

//Cat.java
package shiyan8;

public interface Cat {    
    public void cry();
    public void zhua();
}
 //Dag.java
package shiyan8;

public interface Dog {
    public void wang();
    public void run();
}
//Realcat.java
package shiyan8;

public class Realcat implements Cat{
    public void cry(){
        System.out.println("汪汪叫");
    }
    public void zhua(){
        System.out.println("抓老鼠");
    }
}
//Realdog.java
package shiyan8;

public interface Dog {
    public void wang();
    public void run();
}
//Adapter.java
package shiyan8;

public class Adapter implements Cat,Dog{
    private Cat cat=new Realcat();
    private Dog dog=new Realdog();
    public void setcat(Cat _cat){
        cat=_cat;
    }
    public void setdog(Dog _dog){
        dog=_dog;
    }
    public void zhua(){}
    public void wang(){}
    public void run(){
        System.out.println("小狗学小猫：");
        cat.zhua();
    }
    public void cry(){
        System.out.println("小猫学小狗：");
        dog.wang();
    }
}
//main.java
package shiyan8;

public class main {

    public static void main(String[] args) {
        Dog dog=new Adapter();
        Cat cat=new Adapter();
        dog.run();
        cat.cry();
    }
}


C++

#include<iostream>
using namespace std;
class Cat{
public:
    virtual void cry()=0;
    virtual void zhua()=0;
};
class Dog{
public:
    virtual void wang()=0;
    virtual void run()=0;
};
class RealCat:public Cat{
public:
    void cry(){
        cout<<"喵喵叫"<<endl;
    }
    void zhua(){
        cout<<"抓老鼠"<<endl;
    }
};
class RealDog:public Dog{
public:
    void wang(){
        cout<<"汪汪叫"<<endl;
    }
    void run(){
        cout<<"快快跑"<<endl;
    }
};
class Adapter:public Cat,public Dog{
private:
    static Cat *cat;
    static Dog *dog;
public:
    void setCat(Cat *c){
        cat=c;
    }
    void setDog(Dog *d){
        dog=d;
    }
    void wang(){
    }
    void zhua(){
    }
    void run(){
        cout<<"小狗学小猫："<<endl;
        cat->zhua();
    }
    void cry(){
        cout<<"小猫学小狗："<<endl;
        dog->wang();
    }
};
Cat* Adapter::cat=new RealCat();
Dog* Adapter::dog=new RealDog();
int main(){
    Adapter adapter;
    adapter.run();
    adapter.cry();
    return 0;
}