public class LinkedListRunnerpublic static void main (String [] args){LinkedList myList = new LinkedList ();myList.addFirst ("aaa") :myList.addFirst ("bbb");myList.addFirst ("ccc");myList.addFirst ("ddd");System.out.println (myList); Lab 19 Building a linked listStart this lab with the code listed below. The LinkedList class defines the rudiments of the codeneeded to build a linked list of Node objects. You will first complete the code forits addFirst method. This method is passed an object that is to be added to the beginning of the list.Write code that links the passed object to the list by completing the following tasks in order:1. Create a new Node object.2. Make the data variable in the new Node object reference the object that was passed to addFirst.3. Make the next variable in the new Node object reference the object that is currently referenced invariable first.4. Make variable first reference the new Node.Test your code by running the main method in the LinkedListRunner class below. Explain, step bystep, why each of the above operations is necessary. Why are the string objects in the reverse orderfrom the way they were added?public class LinkedList{private Node first;public LinkedList () { first = null; }public Object getFirst ()if (first == null) { throw new NoSuchElementException (); }return first.data;public void addFirst (Object element)// put your code herepublic String toString (){String temp = "";Node current = first;while (current != null)temp = temp + current.data.toString () + '\n';current = current.next;return temp;class Nodepublic Object data;public Node next;

Hey there, I am writing the required solution based on the above given question. Please do find the…

public class LinkedListRunner public static void main (String(] args) LinkedList myList - new LinkedList (); myList.addFirst ("aaa"); myList.addFirst ("bbb"); myList.addFirst ("ccc"); myList.addFirst ("ddd"); System.out.printin (myList);

public class LinkedListRunner public static void main (String(] args) LinkedList myList - new LinkedList (); myList.addFirst ("aaa"); myList.addFirst ("bbb"); myList.addFirst ("ccc"); myList.addFirst ("ddd"); System.out.printin (myList);

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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