person.h

这是C＋＋编程经典的书上实例的源代码。 （英文名是《C＋＋ how to program》第3版）

// person.h
// definition of class Person
#ifndef PERSON_H
#define PERSON_H

class Floor;                   // forward declaration
class Elevator;                // forward declaration

class Person {

public:
   Person( const int );        // constructor
   ~Person();                  // destructor
   int getID() const;          // returns person's ID

   void stepOntoFloor( Floor & );
   void enterElevator( Elevator &, Floor & ); 
   void exitElevator( const Floor &, Elevator & ) const; 

private:
   static int personCount;     // total number of persons
   const int ID;               // person's unique ID #
   const int destinationFloor; // destination floor #    
};

#endif // PERSON_H

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