/**
 * AListNode.java
 *
 *
 * Created: Fri Oct 04 23:21:39 2002
 *
 * @author <a href="mailto: "</a>
 * Based on the paper: Design Patterns for Data Structures by D. Nguyen
 * @version
 */
package containers;

public abstract class AListNode {

   abstract Object head();
   abstract List tail();
   abstract boolean removeFirst( List owner);
   abstract void addFirst(Object o, List owner);
   }// AListNode