In the class definition, initialize the private fields author $($string$),$ numWords $($integer$),$ and title $($string$)$ with the default values "Empty", $-1,$ and "Undefined", respectively.

Ex$.$ If the input is Soto $32400$ Daisy, then the output is:

Default values:

Author: Empty, Number of words: $-1,$ Title: Undefined

After mutator methods:

Author: Soto, Number of words: $32400,$ Title: Daisy

Note: The class's print$()$ method is called before and after the input is passed to the setters.

public class Book $\{$

private $\frac{?}{?}**$ Your code goes here $\%$

private $/*$ your code goes here Your code goes here $*/$

public void setauthor$($string bookAuthor$)\{$

$\}$

author $=$ bookAuthor;

public void setNumwords $($int bookNumwords$)\{$

$\}$

numwords $=$ bookNumiwords;

public void setritle$($string bookTitle$)\{$

$\}$

title $=$ bookTitle;

$1$

$2$