Update the comments on the code below and create a Javadoc.

public class Book $\{$

private String bookId;

private String title;

private String author;

private boolean availability;

private String borrower;

$//$ Default constructor

public Book$()\{$

this.bookId $=""$;

this.title $=""$;

this.author $=""$;

this.availability $=$ true;

this.borrower $=""$;

$\}$

$//$ Parameterized constructor

public Book$($String bookId, String title, String author, boolean availability$)\{$

setBookId$($bookId$)$;

setTitle$($title$)$;

setAuthor$($author$)$;

this.availability $=$ availability;

this.borrower $=""$;

$\}$

$//$ Getter and Setter for bookId

public String getBookId$()\{$

return bookId;

$\}$

public void setBookId$($String bookId$)\{$

if $($bookId $==$ null $||$ bookId.isEmpty$())\{$

throw new IllegalArgumentException$("$Book ID cannot be null or empty"$)$;

$\}$

this.bookId $=$ bookId;

$\}$

$//$ Getter and Setter for title

public String getTitle$()\{$

return title;

$\}$

public void setTitle$($String title$)\{$

if $($title $==$ null $||$ title.isEmpty$())\{$

throw new IllegalArgumentException$("$Title cannot be null or empty"$)$;

$\}$

this.title $=$ title;

$\}$

$//$ Getter and Setter for author

public String getAuthor$()\{$

return author;

$\}$

public void setAuthor$($String author$)\{$

if $($author $==$ null $||$ author.isEmpty$())\{$

throw new IllegalArgumentException$("$Author cannot be null or empty"$)$;

$\}$

this.author $=$ author;

$\}$

$//$ Getter and Setter for availability

public boolean isAvailable$()\{$

return availability;

$\}$

public void setAvailability$($boolean availability$)\{$

this.availability $=$ availability;

$\}$

$//$ Getter and Setter for borrower

public String getBorrower$()\{$

return borrower;

$\}$

public void setBorrower$($String borrower$)\{$

this.borrower $=$ borrower;

$\}$

@Override

public String toString$()\{$

return "Book ID: $"+$ bookId $+",$ Title: $"+$ title $+",$ Author: $"+$ author $+$

$",$ Available: $"+$ availability $+",$ Borrower: $"+$ borrower;

$\}$

$\}$

LibraryManagementSystem Class

import java.util.Scanner;

public class LibraryManagementSystem $\{$

private Book$[]$ books;

private int bookCount;

$//$ Constructor

public LibraryManagementSystem$($int capacity$)\{$

books $=$ new Book$[$capacity$]$;

bookCount $=0$;

$\}$

$//$ Add a new book

public void addBook$($String bookId, String title, String author, boolean availability$)\{$

for $($int i $=0$; i $<$ bookCount; i$++)\{$

if $($books$[$i$].$getBookId$().$equals$($bookId$))\{$

System.out.println$("$Book ID already exists."$)$;

return;

$\}$

$\}$

books$[$bookCount$++]=$ new Book$($bookId$,$ title, author, availability$)$;

System.out.println$("$Book added successfully."$)$;

$\}$

$//$ Display all books

public void displayAllBooks$()\{$

for $($int i $=0$; i $<$ bookCount; i$++)\{$

System.out.println$($books$[$i$])$;

$\}$

$\}$

$//$ Search for a book

public void searchBook$($String bookId$)\{$

for $($int i $=0$; i $<$ bookCount; i$++)\{$

if $($books$[$i$].$getBookId$().$equals$($bookId$))\{$

System.out.println$($books$[$i$])$;

return;

$\}$

$\}$

System.out.println$("$Book not found."$)$;

$\}$

$//$ Borrow a book

public void borrowBook$($String bookId, String borrower$)\{$

for $($int i $=0$; i $<$ bookCount; i$++)\{$

if $($books$[$i$].$getBookId$().$equals$($bookId$))\{$

if $($books$[$i$].$isAvailable$())\{$

books$[$i$].$setAvailability$($false$)$;

books$[$i$].$setBorrower$($borrower$)$;

System.out.println$("$Book borrowed successfully."$)$;

$\}$ else $\{$

System.out.println$("$Book is currently unavailable."$)$;

$\}$

return;

$\}$

$\}$

System.out.println$("$Book not found."$)$;

$\}$

$//$ Return a book

public void returnBook$($String bookId$)\{$

for $($int i $=0$; i $<$ bookCount; i$++)\{$

if $($books$[$i$].$getBookId$().$equals$($bookId$))\{$

if $(!$books$[$i$].$isAvailable$())\{$

books$[$i$].$setAvailability$($true$)$;

books$[$i$].$setBorrower$("")$;

System.out.println$("$Book returned successfully."$)$;

$\}$ else $\{$

System.out.println$("$Book was not borrowed."$)$;

$\}$

return; $$