하향 캐스팅 [디딤돌 C++]

하향 캐스팅 [디딤돌 C++]

언제나 휴일 티스토리

Program.cpp

//하향 캐스팅

//Program.cpp

#include <iostream>

#include <string>

using namespace std;

 

class Musician

{

    string name;

public:

    Musician(string name)

    {

        this->name = name;

    }

    string GetName()const

    {

        return name;

    }

    virtual void Play()=0;

};

class Pianist:public Musician

{

public:

    Pianist(string name):Musician(name)

    {

    }

    virtual void Play()

    {

        cout<<GetName()<<" 딩동댕 ♩♪♬"<<endl;

    }

    void Tuning()

    {

        cout<<"도도 레레 미미 파파"<<endl;

    }

};

class Drummer:public Musician

{

public:

    Drummer(string name):Musician(name)

    {

    }

    virtual void Play()

    {

        cout<<GetName()<<" 두두둥~~~"<<endl;

    }

};

 

int main()

{

    Musician *musicians[2];

    musicians[0] = new Pianist("피아노맨");

    musicians[1] = new Drummer("두둥맨");

 

    Pianist *pianist=0;

    for(int i = 0; i<2; i++)

    {

        pianist = dynamic_cast<Pianist *>(musicians[i]);//players[i]가 피아니스트인지 하향 캐스팅

        if(pianist)//피아니스트가 맞다면

        {

            pianist->Tuning();

        }

        musicians[i]->Play();

    }

 

    for(int i=0;i<2;i++)

    {

        delete musicians[i];

    }

    return 0;

}

 

 

* 디딤돌 C++  37. 하향 캐스팅에서

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