c9-7.cpp

这我们老师对是面向对象程序设计（清华大学出版社）一书制作的PPT

#include <iostream>
using namespace std;
 class Time
 {public:
   Time(int,int,int);
   int hour;
   int minute;
   int sec;
   void get_time();
 };
 Time::Time(int h,int m,int s)
 {hour=h;
  minute=m;
  sec=s;
 }
void Time::get_time()
   {cout<<hour<<":"<<minute<<":"<<sec<<endl;}

int main()
 {Time t1(10,13,56);
  int *p1=&t1.hour;
  cout<<*p1<<endl;
  t1.get_time();
  Time *p2=&t1;
  p2->get_time();
  void (Time::*p3)();
  p3=&Time::get_time;
  (t1.*p3)();
  return 0;
}