/* DListNode.java */
package list;
/**
* A DListNode is a node in a DList (doubly-linked list).
*/
public class DListNode {
/**
* item references the item stored in the current node.
* prev references the previous node in the DList.
* next references the next node in the DList.
*
* DO NOT CHANGE THE FOLLOWING FIELD DECLARATIONS.
*/
public Object item;
protected DListNode prev;
protected DListNode next;
/**
* DListNode() constructor.
* @param i the item to store in the node.
* @param p the node previous to this node.
* @param n the node following this node.
*/
DListNode(Object i, DListNode p, DListNode n) {
item = i;
prev = p;
next = n;
}
}