C++作业3.24

#include<iostream>using namespace std;class Date{public:    Date();   Date(int i,int j,int k)   {   year=i;   month=j;   day=k;   }   void printDate()   {   cout<<"日期是: "<<year<<" "<<month<<" "<<day<<endl;   }   void GetYear()   {    cout<<"year="<<year<<endl;   }   void GetMonth()   {    cout<<"month="<<month<<endl;   }   void GetDay()   {    cout<<"day="<<day<<endl;   }   void SetDate(int i,int j,int k)   {   year=i;   month=j;   day=k;   }private:int year;int month;int day;};int main(){Date d1(2015,1,3);d1.printDate();d1.GetYear();d1.GetMonth();d1.GetDay();Date d2;d2.SetDate(2015,12,24);d2.printDate();d2.GetYear();d2.GetMonth();d2.GetDay();Date d3(d1);d3.printDate();d3.GetYear();d3.GetMonth();d3.GetDay();return 0;}