public class ItemNode $\{$

private String item;

private ItemNode nextNodeRef; $//$ Reference to the next node

public ItemNode$()\{$

item $=""$;

nextNodeRef $=$ null;

$\}$

$//$ Constructor

public ItemNode$($String itemInit$)\{$

this.item $=$ itemInit;

this.nextNodeRef $=$ null;

$\}$

$//$ Constructor

public ItemNode$($String itemInit, ItemNode nextLoc$)\{$

this.item $=$ itemInit;

this.nextNodeRef $=$ nextLoc;

$\}$

$//$ Insert node after this node.

public void insertAfter$($ItemNode nodeLoc$)\{$

ItemNode tmpNext;

tmpNext $=$ this.nextNodeRef;

this.nextNodeRef $=$ nodeLoc;

nodeLoc.nextNodeRef $=$ tmpNext;

$\}$

$//$ TODO: Define insertAtEnd$()$ method that inserts a node

$//$ to the end of the linked list

$//$ Get location pointed by nextNodeRef

public ItemNode getNext$()\{$

return this.nextNodeRef;

$\}$

public void printNodeData$()\{$

System.out.println$($this$.$item$)$;

$\}$

$\}$