date.cpp

ssd5exercise代码没有问题

#include "date.h"

date::date()
{
	day = 0;
	month = 0;
	year = 0;
}
date::date(int day, int month, int year)
{
	day = 21;
	month = 8;
	year = 1987;
}
int date::compareTo(date another_date)
{
	int amount1 = year * 10000 + month * 100 + day ;
	int amount2 = another_date.year * 10000 + another_date.month * 100 + another_date.day;
	if(amount1 == amount2)
		return 0;
	else if(amount1 > amount2)
		return -1;
	else
		return 1;
}
ostream& operator<< (ostream &stream, date d)
{
	stream << d.month << "/" << d.day << "/" << d.year;
	return stream;
}