第八章習題4

#include <iostream>
#include <string>
using namespace std;
class student
{
public:
 void set_value()
 {cin>>num>>name>>sex;}
 void display()
 {
  cout<<"num:"<<num<<endl;
  cout<<"name:"<<name<<endl;
  cout<<"sex:"<<sex<<endl;
 }
private:
 int num;
 string name;
 char sex;
}; 
student s;
int main()
{
 s.set_value();
 s.display();
 return 0;
}