// File: Date.h
// Definition of class Date 
#ifndef DATE_H
#define DATE_H
#include <iostream.h>

class Date {

public:

   // constructor
   Date( int m = 1, int d = 1, int y = 1900 ); 
   // copy constructor
   Date(const Date &);

   void setDate( int, int, int ); // set the date
   Date &operator++();            // preincrement operator
   Date operator++( int );        // postincrement operator
   const Date &operator+=( int ); // add days, modify object
   bool leapYear();               // is this a leap year?

private:
   int month;
   int day;
   int year;

   static const int days[];       // array of days per month
   bool endOfMonth( int );        // is this end of month?
   void helpIncrement();          // utility function

   // OK to declare here. A friend is NOT a member of the class
   friend ostream &operator<<(ostream &output, const Date &D);
};

bool leapYear();          // is this a leap year?
ostream &operator<<(ostream &output, const Date &D);

#endif