c++day6

#include <iostream>using namespace std;
class Animal
{
public:virtual void peform() = 0;
};
class Monekey:public Animal
{
public:void peform(){cout << "猴子黑桃A"  << endl;}
};
class Elepthant:public Animal
{void peform(){cout << "大象鼻子握手" << endl;}
};
int main()
{Monekey m;Animal *p;p = &m;p->peform();Elepthant e;p= &e;p->peform();return 0;
}