Sams Teach Yourself C++ in 21 Days

Answers 845

D

{

public:

Person( String name, Person_ID id );

~Person();

Calendar_Class Calendar(); // the access point to add

➥meetings

protected:

Calendar_Class calendar;

Person_ID id;

String name;

};

class Calendar_Class

{

public:

Calendar_Class();

~Calendar_Class();

void Add( const Meeting& ); // add a meeting to the calendar

void Delete( const Meeting& );

Meeting* Lookup( Time ); // see if there is a meeting at the

// given time

Block( Time, Duration, String reason = “” );

// allocate time to yourself...

protected:

OrderedListOfMeeting meetings;

};

class Meeting

{

public:

Meeting( ListOfPerson&, Room room,

Time when, Duration duration, String purpose

= “” );

~Meeting();

protected:

ListOfPerson people;

Room room;

Time when;

Duration duration;

String purpose;

};

You might have used privateinstead of protected. Protected members are cov-

ered on Day 12, “Implementing Inheritance.”

32 0672327112_app_d.qxd 11/19/04 12:30 PM Page 845