date.h

里面有很多关于编程的实用例子

// Fig. 10.10: Date.h 
// Date class definition; Member functions defined in Date.cpp
#ifndef DATE_H
#define DATE_H

class Date 
{
public:
   Date( int = 1, int = 1, int = 1900 ); // default constructor
   void print() const; // print date in month/day/year format
   ~Date(); // provided to confirm destruction order
private:
   int month; // 1-12 (January-December)
   int day; // 1-31 based on month
   int year; // any year

   // utility function to check if day is proper for month and year
   int checkDay( int ) const; 
}; // end class Date

#endif

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