animalclassoverride.cpp

来自「C++ sample code, for the book: C++ blac」· C++ 代码 · 共 29 行

#include <iostream>
using namespace std;

class animal 
{
public:
    void eat();
    void sleep();
    void breathe();
};

class fish : public animal 
{
public:
    void breathe();
};

void animal::eat(){cout << "Eating..." << endl;}
void animal::sleep(){cout << "Sleeping..." << endl;}
void animal::breathe(){cout << "Breathing..." << endl;}
void fish::breathe(){cout << "Bubbling..." << endl;}

int main()
{
    fish bigfish;
    bigfish.breathe();

    return 0;
}