#include "Date.h" #include // The Date class implementation using namespace std; // These void functions check the validity of user input. void Date::setDay(int d) { // implement the functionality here cout << "setDay"<< endl; } void Date::setMonth(int m) { // implement the functionality here cout << "setMonth"<< endl; } void Date::setYear(int y) { // implement the functionality here cout << "setYear"<< endl; } // These three functions return the value, so I can output data. int Date::getDay() const { return day; } int Date::getMonth() const { return month; } int Date::getYear() const { return year; } void Date::output(int day, int month, int year) { cout << "Here is my output..." << endl; }