抽象类指针引用.rar

#include <iostream> using namespace std; class Animal { public: virtual void fly()=0; virtual void show()=0; }; class Mammalian:public Animal { public: virtual void call()=0; }; class Cat:public Mammalian { public: void fly() { cout<<"The cat can not fly"<<endl; } void show() { cout<<"This is a cat"<<endl; } void call() { cout<<"miao!miao!miao!"<<endl; } }; int main() { Cat cat; //可以说明指向抽象类对象的指针和引用 Animal* pAnimal=&cat; pAnimal->fly(); pAnimal->show(); Mammalian& pMammalian=cat; pMammalian.call(); pMammalian.fly(); pMammalian.show(); return 0; }