#include #include #include "Birthday7.h" using namespace std; Birthday::Birthday() : year(0), month(0), day(0) {} Birthday::Birthday(int y, int m, int d) : year(y), month(m), day(d) {} Birthday::~Birthday() {} ostream& operator <<(ostream& outs, const Birthday& bd) { outs << bd.month << "/" << bd.day << "/" << bd.year; return outs; }