CPlusPlusThings/practical_exercises/10_day_practice/day6/virtual_func/vis.cpp

19 lines
294 B
C++

/* 从基类继承的成员将访问到派生类版本.cpp */
#include <iostream>
using namespace std;
class B {
public:
void f() { g(); }
virtual void g() { cout << "B::g"; }
};
class D : public B {
public:
void g() { cout << "D::g\n"; }
};
int main() {
D d;
d.f();
return 0;
}