Trying this again since part of my question keeps disappearing  Given main() in the ShoppingList class, define an insertAtEnd() method in the ItemNode class that adds an element to the end of a linked list. DO NOT print the dummy head node. Ex. if the input is: 4 Kale Lettuce Carrots Peanuts where 4 is the number of items to be inserted; Kale, Lettuce, Carrots, Peanuts are the names of the items to be added at the end of the list. The output is: Kale Lettuce Carrots Peanuts

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Trying this again since part of my question keeps disappearing 

Given main() in the ShoppingList class, define an insertAtEnd() method in the ItemNode class that adds an element to the end of a linked list. DO NOT print the dummy head node.

Ex. if the input is:

4 Kale Lettuce Carrots Peanuts

where 4 is the number of items to be inserted; Kale, Lettuce, Carrots, Peanuts are the names of the items to be added at the end of the list.

The output is:

Kale Lettuce Carrots Peanuts 

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);
   }
}

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