clock.cpp

面向对象程序设计

//clock.cpp
#include <iostream.h>
#include "clock.h"
void Clock::init()
   {  hour=minute=second=0;  }
void Clock::update()
   { second++;
     if(second==60){ second=0; minute++;}
     if(minute==60){ minute=0; hour++;}
     if(hour==24) hour=0;
   }
void Clock::display()
{ cout<<hour<<":"<<minute<<":"<<second<<endl;
}