/*
 * LinkedListNode
 * burton rosenberg
 * march 2004
 *
 * a node in a linked list, common functionality to inherit
 */

class LinkedListNode {

   LinkedListNode next ;

   LinkedListNode add( LinkedListNode lln ) {
      next = lln ;
      return this ;
   }

   void print() {
      LinkedListNode lln = this ;
      while ( lln!=null ) {
          lln.printNode() ;
          lln = lln.next ;
      }
   }

   void printNode() {
      System.out.println("Over-ride me: I print myself") ;
   }

   int length() {
      // using recursion
      if (next==null) return 1 ;
      return 1 + next.length() ;
   }

}