【面向对象程序设计常见面试题】多继承与虚函数之间的关系（已阅）

#include <iostream>
using namespace std;


class A1{
public:
    virtual void fun(){
        cout<<"A1"<<endl;
    }
};

class A2{
public:
   void fun(){
        cout<<"A2"<<endl;
    }
};

class B:public A1,public A2{
public:
    void fun(){
        cout<<"B"<<endl;
    }
};

int main()
{
    A1 *pa1;
    A2 *pa2;
    B b;
    pa1 = &b;
    pa1->fun();
    pa2 = &b;
    pa2->fun();

}