/**
 * Node for a linked list of objects.
 * Demonstration program for CSE 143.
 * @author Hal Perkins
 * @version 0.1, 4/17/06
 */
public class Link<E> {
  // Note: member data is public since this is intended as a simple data
  //       structure, not a complex object with encapsulated behavior.
  public E    item;      // item referenced by this link
  public Link next;      // next node in the list or null if no next node
  
  // construct a new Link with given item and next fields
  public Link(E item, Link next) {
    this.item = item;
    this.next = next;
  }
  // construct a new Link with the given item and a null next reference
  public Link(E item) {
    this(item, null);
  }
  // construct a new Link without initializing any fields
  public Link() {
    this(null, null);
  }
}