PLZ FIX ERRORS IN CODE. IT MUST COMPILE IN JGRASP

import javax.swing.JOptionPane;

public class DCBusTours {

// Constants

private static final int MAX_NUM_BUS_TOURS = 15;

private static final double TICKET_COST = 10.0;

// Fields

private BusTour[] busTours = new BusTour[MAX_NUM_BUS_TOURS];

private int numBusTours = 0;

// Menu options

private static final String CREATE_BUS_TOUR = "Create Bus Tour";

private static final String REMOVE_BUS_TOUR = "Remove Bus Tour";

private static final String SELL_TOUR_TICKET = "Sell Tour Ticket";

private static final String DISPLAY_BUS_TOURS = "Display Bus Tours";

private static final String EXIT = "Exit";

// Main method

public static void main(String[] args) {

DCBusTours app = new DCBusTours();

app.run();

}

// Helper methods

// Displays a menu and returns the user's choice

private String getMenuChoice() {

String[] options = {CREATE_BUS_TOUR, REMOVE_BUS_TOUR, SELL_TOUR_TICKET, DISPLAY_BUS_TOURS, EXIT};

return (String) JOptionPane.showInputDialog(null, "Choose an option:", "DC Bus Tours", JOptionPane.PLAIN_MESSAGE, null, options, options[0]);

}

// Displays an error message with the specified text

private void showError(String message) {

JOptionPane.showMessageDialog(null, message, "Error", JOptionPane.ERROR_MESSAGE);

}

// Creates a new bus tour

private void createBusTour() {

if (numBusTours >= MAX_NUM_BUS_TOURS) {

showError("Maximum number of bus tours reached.");

return;

}

String tourId = null;

String tourName = null;

double tourCost = 0.0;

// Get the tour ID

while (tourId == null) {

String input = JOptionPane.showInputDialog("Enter the Bus Tour Identifier:");

if (input == null) {

return; // User clicked Cancel

}

try {

tourId = validateTourId(input);

} catch (IllegalArgumentException e) {

showError(e.getMessage());

}

}

// Get the tour name

while (tourName == null) {

String input = JOptionPane.showInputDialog("Enter the Bus Tour Name:");

if (input == null) {

return; // User clicked Cancel

}

tourName = input.trim();

if (tourName.isEmpty()) {

showError("Bus Tour Name cannot be empty.");

tourName = null;

}

}

// Get the tour cost

while (tourCost <= 0.0) {

String input = JOptionPane.showInputDialog("Enter the General Ticket Cost:");

if (input == null) {

return; // User clicked Cancel

}

try {

tourCost = Double.parseDouble(input);

if (tourCost <= 0.0) {

throw new IllegalArgumentException("Ticket cost must be positive.");

}

} catch (NumberFormatException e) {

showError("Invalid ticket cost.");

} catch (IllegalArgumentException e) {

showError(e.getMessage());

}

}

// Create the new bus tour

BusTour newTour = new BusTour(tourId, tourName, tourCost);

busTours[numBusTours++] = newTour;

JOptionPane.showMessageDialog(null, "Bus Tour created successfully: " + newTour.toString(), "DC Bus Tours", JOptionPane.INFORMATION_MESSAGE);

}

// Removes an existing bus tour

private void removeBusTour() {

//If no bus tours have been created, display an error message and return

if (numBusTours == 0) {

JOptionPane.showMessageDialog(null, "No bus tours have been created yet.");

return;

}

// Create a list of the bus tours

String[] tourList = new String[numBusTours];

for (int i = 0; i < numBusTours; i++) {

tourList[i] = busTours[i].getId() + " - " + busTours[i].getName();

}

// Display a dialog box to select a bus tour to remove

String selectedTour = (String) JOptionPane.showInputDialog(

null,

"Select a bus tour to remove:",

"Remove Bus Tour",

JOptionPane.PLAIN_MESSAGE,

null,

tourList,

tourList[0]);

// If the user clicked cancel or closed the dialog box, return

if (selectedTour == null) {

return;

}

// Find the index of the selected bus tour in the array

int index = -1;

for (int i = 0; i < numBusTours; i++) {

if (tourList[i].equals(selectedTour)) {

index = i;

break;

}

}

// If the index is invalid, display an error message and return

if (index == -1) {

JOptionPane.showMessageDialog(null, "Invalid bus tour selected.");

return;

}

// Remove the selected bus tour from the array and decrement the number of bus tours

busTours[index] = null;

for (int i = index; i < numBusTours - 1; i++) {

busTours[i] = busTours[i + 1];

}

busTours[numBusTours - 1] = null;

numBusTours--;

// Display a success message

JOptionPane.showMessageDialog(null, "Bus tour successfully removed.");

}