C++第八天笔记2016年02月25日（周四）A.M

 1 #include <iostream>
 2 
 3 using namespace std;
 4 class Base{
 5 public:
 6     Base(int i):b_number(i){}
 7     int get_number()const{return b_number;}
 8     void print(){
 9         cout<<b_number<<endl;
10     }
11 //private:
12 protected:
13     int b_number;
14 };
15 class Derived:public Base{
16 public:
17     Derived(int i,int j):Base(i),d_number(j){}
18     void print(){
19 //        cout<<get_number()<<" ";
20         cout<<b_number<<" ";
21         cout<<d_number<<endl;
22     }
23 private:
24     int d_number;
25 };
26 int main(int argc, const char * argv[]) {
27     Base a(2);
28     Derived b(3,4);
29     cout<<"a is ";
30     a.print();
31     cout<<"b is ";
32     b.print();
33     cout<<"base part of b is ";
34     b.Base::print();
35     return 0;
36 }