/**
 * A Node (containing an Object) in a singly-linked
 * data structure
 *
 * Note: This class is not public.  Hence, it will only 
 * be visible to classes in this package.  (This is an 
 * example of package visibility.)
 *
 * @author  Prof. David Bernstein, James Madison University
 * @version 1.0
 */
class Node
{
    Object    value;
    Node      next;
}