I need a javadoc comment for my following code. This is what I need for the javadoc comments Author$-$Nas. The Date$-22$ April $2024,$ and the purpose of the program which is to provide a family friendly interface for inputtig trip details and calculatees the toal trip cost based on the provided information. import javax.swing.$*$;

import java.awt.$*$;

import java.awt.event.$*$;

public class Project$3$ extends JFrame $\{$

private JLabel distanceLabel, gasCostLabel, gasMileageLabel, resultLabel;

private JTextField distanceField, gasCostField;

private JComboBox distanceUnitComboBox, gasCostUnitComboBox, gasMileageUnitComboBox;

private JButton calculateButton;

public Project$3()\{$

setTitle$("$Trip Cost Estimator"$)$;

setDefaultCloseOperation$($JFrame$.$EXIT$\_$ON$\_$CLOSE$)$;

setSize$(400,200)$;

setLocationRelativeTo$($null$)$; $//$ Center the window

distanceLabel $=$ new JLabel$("$Distance:$")$;

gasCostLabel $=$ new JLabel$("$Gasoline Cost:"$)$;

gasMileageLabel $=$ new JLabel$("$Gas Mileage:"$)$;

resultLabel $=$ new JLabel$("$Total Trip Cost:"$)$;

distanceField $=$ new JTextField$(10)$;

gasCostField $=$ new JTextField$(10)$;

String$[]$ distanceUnits $=\{"$Miles$",$ "Kilometers"$\}$;

distanceUnitComboBox $=$ new JComboBox$<>($distanceUnits$)$;

String$[]$ gasCostUnits $=\{"$Dollars per Gallon", "Dollars per Liter"$\}$;

gasCostUnitComboBox $=$ new JComboBox$<>($gasCostUnits$)$;

String$[]$ gasMileageUnits $=\{"$Miles per Gallon", "Kilometers per Liter"$\}$;

gasMileageUnitComboBox $=$ new JComboBox$<>($gasMileageUnits$)$;

calculateButton $=$ new JButton$("$Calculate$")$;

calculateButton.addActionListener$($new CalculateButtonListener$())$;

JPanel panel $=$ new JPanel$($new GridLayout$(4,2))$;

panel.add$($distanceLabel$)$;

panel.add$($distanceField$)$;

panel.add$($distanceUnitComboBox$)$;

panel.add$($new JLabel$())$; $//$ Empty space

panel.add$($gasCostLabel$)$;

panel.add$($gasCostField$)$;

panel.add$($gasCostUnitComboBox$)$;

panel.add$($new JLabel$())$; $//$ Empty space

panel.add$($gasMileageLabel$)$;

panel.add$($new JLabel$())$; $//$ Empty space

panel.add$($gasMileageUnitComboBox$)$;

panel.add$($new JLabel$())$; $//$ Empty space

panel.add$($calculateButton$)$;

panel.add$($resultLabel$)$;

panel.add$($new JLabel$())$; $//$ Empty space

setLayout$($new BorderLayout$())$;

add$($panel$,$ BorderLayout.CENTER$)$;

$\}$

private class CalculateButtonListener implements ActionListener $\{$

public void actionPerformed$($ActionEvent e$)\{$

$//$ Get user input

double distance $=$ Double.parseDouble$($distanceField$.$getText$())$;

double gasCost $=$ Double.parseDouble$($gasCostField$.$getText$())$;

$//$ Convert units

if $($distanceUnitComboBox$.$getSelectedIndex$()==1)\{//$ Kilometers

distance $*=0\mathrm{.}621371$; $//$ Convert kilometers to miles

$\}$

if $($gasCostUnitComboBox$.$getSelectedIndex$()==1)\{//$ Dollars per liter

gasCost $*=3\mathrm{.}78541$; $//$ Convert dollars per liter to dollars per gallon

$\}$

$//$ Calculate total trip cost

double totalCost $=$ TripCost.calculateTripCost$($distance$,$ gasCost, gasMileageUnitComboBox.getSelectedIndex$())$;

$//$ Display result

resultLabel.setText$("$Total Trip Cost: $$"+$ String.format$("\%\mathrm{.}2$f$",$ totalCost$))$;

$\}$

$\}$

public static void main$($String$[]$ args$)\{$

SwingUtilities.invokeLater$($new Runnable$()\{$

public void run$()\{$

new Project$3().$setVisible$($true$)$;

$\}$

$\})$;

$\}$

$\}$

class TripCost $\{$

public static double calculateTripCost$($double distance, double gasCost, int gasMileageUnitIndex$)\{$

double gasMileage;

if $($gasMileageUnitIndex $==0)\{//$ Miles per gallon

gasMileage $=25$; $//$ Example value, you can change this according to your needs

$\}$ else $\{//$ Kilometers per liter

gasMileage $=10$; $//$ Example value, you can change this according to your needs

$\}$

double totalCost $=($distance $/$ gasMileage$)*$ gasCost;

return totalCost;

$\}$

$\}$