106.多态与虚函数

Posted 2020-10-27 喵小喵~

 1 #include <iostream>
 2 using namespace std;
 3 
 4 class Aobject
 5 {
 6 public:
 7     //虚函数提供一个接口,自动选择子类的接口
 8     //存储某个对象的地址,调用对应的方法
 9     virtual void show()
10     {
11         cout << "Aobject" << endl;
12     }
13     
14 };
15 
16 class Bobject :public Aobject
17 {
18 public:
19     void show()
20     {
21         cout << "Bobject" << endl;
22     }
23 };
24 
25 void main()
26 {
27     Aobject *p = new Bobject;
28     p->show();
29     cin.get();
30 }