3.24

#include<iostream>using namespace std;class Date{   int year;      int month;      int day;public:void printDate(){cout<<"日期是:"<<year<<"年"<<month<<"月"<<day<<"日"<<endl;}void GetYear(){cout<<"年份是"<<'\t'<<year<<endl;}void GetMonth(){cout<<"月份是"<<'\t'<<month<<endl;}void GetDay(){cout<<"号数是"<<'\t'<<day<<endl;}void SetDate(int Y,int m,int d){year=Y;month=m;day=d;}}; int main(){Date d1;d1.SetDate(2010,6,8);d1.printDate();d1.GetYear();d1.GetMonth();d1.GetDay();Date d2;d2.SetDate(2015,4,22);d2.printDate();d2.GetYear();d2.GetMonth();d2.GetDay();Date d3(d1);d3.printDate();d3.GetYear();d3.GetMonth();d3.GetDay();system("pause");return 0;}