Only 2 Assume we have a fully implemented singly linked list (similar to the one we learned in the course):1. Implement a method called mid () which returns the element stored in the middle node asfollows:o if the list has odd number of nodes, then output should be the middle element. e.g. if givenlist is 1->2->3->4->5, then return 3.o If there are even nodes, then there would be two middle nodes; return second middleelement. For example, if given list is 1->2->3->4->5->6, then return 4.o If list is empty, return null.Assume you can't use the get(index) method and you have to implement the mid() methodfrom scratch.2. What is the time complexity of your approach in terms of Big-O?public class MyLinkedList{private Node head, tail;private int size;... //assume standard methods are implemented here (e.g. isEmpty(), add(), remove(), etc)Timplement the mid() method hereprivate class Node{E element;Node next;public Node(E element) {this.element -element;}

Linked lists have most of their benefit when it comes to the insertion and deletion of nodes in the…

2. What is the time complexity of your approach in terms of Big-O? public class MyLinkedList{ private NodecE> head, tail; private int size; ... //assume standard methods are implemented here (e.g. isEmpty(), add(), remove(), etc) 71mplement the mid() method here private class Node{ E element; Node next; public Node(E element) (this.element - element;}

2. What is the time complexity of your approach in terms of Big-O? public class MyLinkedList{ private NodecE> head, tail; private int size; ... //assume standard methods are implemented here (e.g. isEmpty(), add(), remove(), etc) 71mplement the mid() method here private class Node{ E element; Node next; public Node(E element) (this.element - element;}

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Only 2

Assume we have a fully implemented singly linked list (similar to the one we learned in the course):
1. Implement a method called mid () which returns the element stored in the middle node as
follows:
o if the list has odd number of nodes, then output should be the middle element. e.g. if given
list is 1->2->3->4->5, then return 3.
o If there are even nodes, then there would be two middle nodes; return second middle
element. For example, if given list is 1->2->3->4->5->6, then return 4.
o If list is empty, return null.
Assume you can't use the get(index) method and you have to implement the mid() method
from scratch.
2. What is the time complexity of your approach in terms of Big-O?
public class MyLinkedList<E>{
private Node<E> head, tail;
private int size;
... //assume standard methods are implemented here (e.g. isEmpty(), add(), remove(), etc)
Timplement the mid() method here
private class Node<E>{
E element;
Node<E> next;
public Node(E element) {this.element -
element;}

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