// Written by Mark Jacobson - 810:052 introduction to linked lists
//                            and C++ pointers (February 19th, 1997)
//                            Example program for 02/25 Tuesday class...
//
// Reformatted by Eugene Wallingford

#include <iostream.h>
#include <iomanip.h>

class List;

class ListNode
{
   public:

      ListNode(const int &element, ListNode* nextPtr);
      friend class List;

   private:

      int num;
      ListNode* next;
};

class List
{
   public:

      List();

      void add              (int myNum);
      void showList         ();
      void showListAddresses();

   private:

      ListNode* first;
};