023 Fun和Do
#include <iostream>
using namespace std;
class A {
private:
int nVal;
public:
void Fun()
{
cout << "A::Fun" << endl;
};
void Do()
{
cout << "A::Do" << endl;
}
};
class B :public A {
public:
virtual void Do()
{
cout << "B::Do" << endl;
}
};
class C :public B {
public:
void Do()
{
cout << "C::Do" << endl;
}
void Fun()
{
cout << "C::Fun" << endl;
}
};
void Call(
// 在此处补充你的代码
B & p
) {
p.Fun(); p.Do();
}
int main() {
C c;
Call(c);
return 0;
}