33 lines
No EOL
797 B
C++
33 lines
No EOL
797 B
C++
/*
|
||
* @Author: iR
|
||
* @Date: 2022-03-15 07:30:23
|
||
* @LastEditors: iR
|
||
* @LastEditTime: 2022-03-15 17:05:13
|
||
* @FilePath: \Code\1-3a\main.cpp
|
||
* @Description:
|
||
* @Mail: i@iridium.cyou
|
||
*/
|
||
|
||
#include <iostream>
|
||
using namespace std;
|
||
class Parent
|
||
{ // 基类
|
||
public:
|
||
void f1() { cout << "This is parent-f1" << endl; }
|
||
virtual void f2() { cout << "This is parent-f2" << endl; } // 声明f2是虚函数
|
||
} parent;
|
||
class Child : public Parent
|
||
{ // 派生类
|
||
public:
|
||
void f1() { cout << "This is child-f1" << endl; }
|
||
void f2() { cout << "This is child-f2" << endl; }
|
||
} child;
|
||
|
||
int main(int argc, char *argv[])
|
||
{
|
||
Parent *p = new Child; // 定义一个基类指针
|
||
p->f1(); // 执行哪个f1？
|
||
p->f2(); // 执行哪个f2？
|
||
delete p;
|
||
return 0;
|
||
} |