3.24

 

#include <iostream>
using namespace std;
class Date
{
    public :
  Date(int y,int m,int d);
  void getyear();
  void getmonth();
  void getday();
  void setdate(int y,int m,int d);
  void printDate();
  Date()
  {}
  Date(const Date& p)
  {
   year=p.year;
   month=p.month;
   day=p.day;
  }
    private :
  int year;
  int month;
  int day;
};
Date::Date(int y,int m,int d)
{
 year=y;
 month=m;
 day=d;
}
void Date::getyear()
{
 cout<<"请输入年：";
 cin>>year;
}
void Date::getmonth()
{
 cout<<"请输入月：";
 cin>>month;
}
void Date::getday()
{
 cout<<"请输入日：";
 cin>>day;
}
void Date::setdate(int y,int m,int d)
{
 year=y;
 month=m;
 day=d;
}
void Date::printDate()
{
 cout<<"日期为:"<<year<<"/"<<month<<"/"<<day<<endl;
}
int main()
{
 Date d1(2010,6,8);
 d1.printDate();
 Date d2;
 d2.getyear();
 d2.getmonth();
 d2.getday();
 d2.printDate();
 Date d3(d1);
 d3.printDate();
 system("pause");
 return 0;
}