Please allow the buttons to sort properly the sortByname, sortbywaittime and capacity to all sort please

// Constructor that takes a Driver object as input

public EntryScreen(Driver reservationlist1) {

this.reservationlist1 = reservationlist1;

// Initialize the necessary components

txttableNumber = new JTextField(20);

setTitle("Make a Reservation");

pnlCommand = new JPanel();

pnlDisplay = new JPanel();

String[] columnNames = {"ID", "Name", "Capacity", "Date", "Time"};

tableModel = new DefaultTableModel(columnNames, 0);

table = new JTable(tableModel);

JScrollPane scrollPane = new JScrollPane(table);

add(scrollPane, BorderLayout.NORTH);

// create the table and set the model

// add the table to a scroll pane and add it to the GUI

// add labels and text fields to the display panel

pnlDisplay.add(new JLabel("Name:"));

txtName = new JTextField(20);

pnlDisplay.add(txtName);

pnlDisplay.add(new JLabel("Date:"));

txtDate = new JTextField(5);

pnlDisplay.add(txtDate);

pnlDisplay.add(new JLabel("Time:"));

txtTime = new JTextField(5);

pnlDisplay.add(txtTime);

pnlDisplay.add(new JLabel("Capacity:"));

txtcapacity = new JTextField(20);

pnlDisplay.add(txtcapacity);

// add the save and close buttons to the command panel

pnlCommand.setLayout(new GridLayout(1, 4));

SaveCommand = new JButton("Save");

commandCloser = new JButton("Close");

ClearAll = new JButton("Clear All");

cmdSortFirstName = new JButton("Sort by Name");

cmdSortWaittime= new JButton("Sort by Time");

Capacity= new JButton("Capacity");

pnlCommand.add(SaveCommand);

pnlCommand.add(commandCloser);

pnlCommand.add(ClearAll);

pnlCommand.add(cmdSortWaittime);

pnlCommand.add(cmdSortFirstName);

pnlCommand.add(Capacity);

// add the display and command panels to the GUI

add(pnlDisplay, BorderLayout.CENTER);

add(pnlCommand, BorderLayout.SOUTH);

// finalize the GUI and make it visible

pack();

setVisible(true);

// add action listeners to the buttons

commandCloser.addActionListener(new commandCloser());

SaveCommand.addActionListener(new SaveCommand());

// set this object to be the current instance of EntryScreen

ReservationEntry1 = this;

}

// ActionListener class for the close button

private class commandCloser implements ActionListener {

public void actionPerformed(ActionEvent d) {

ReservationEntry1.setVisible(false);

System.out.println("Close button clicked");

}

}

// ActionListener class for the save button

private class SaveCommand implements ActionListener {

public void actionPerformed(ActionEvent e) {

// generate a random ID and table number

Random random = new Random();

int id = random.nextInt(10000) + 1;

// extract information from the text fields

String name = txtName.getText();

String[] Name = name.split(", ");

String Capacity = txtcapacity.getText();

int capacity = 0;

if (!Capacity.isEmpty()) {

try {

capacity = Integer.parseInt(Capacity);

} catch (NumberFormatException ex) {

System.out.println(" Error");

}

}

String date = txtDate.getText();

String time = txtTime.getText();

// create a reservation object

Reservation reservation = new Reservation(id, name, tableNumber, capacity, date, time);

// add the reservation data to the table model

Object[] rowData = {id, name, capacity, date, time};

tableModel.addRow(rowData);

// add the reservation to the driver's list

reservationlist1.addReservation(reservation);

// hide the reservation entry screen

ReservationEntry1.setVisible(true);

// display ID in a dialog box

JOptionPane.showMessageDialog(null, "Reservation ID: " + id);

}

}

}

Question

Please allow the buttons to sort properly the sortByname, sortbywaittime and capacity to all sort please

// Constructor that takes a Driver object as input

public EntryScreen(Driver reservationlist1) {

this.reservationlist1 = reservationlist1;

// Initialize the necessary components

txttableNumber = new JTextField(20);

setTitle("Make a Reservation");

pnlCommand = new JPanel();

pnlDisplay = new JPanel();

String[] columnNames = {"ID", "Name", "Capacity", "Date", "Time"};

tableModel = new DefaultTableModel(columnNames, 0);

table = new JTable(tableModel);

JScrollPane scrollPane = new JScrollPane(table);

add(scrollPane, BorderLayout.NORTH);

// create the table and set the model

// add the table to a scroll pane and add it to the GUI

// add labels and text fields to the display panel

pnlDisplay.add(new JLabel("Name:"));

txtName = new JTextField(20);

pnlDisplay.add(txtName);

pnlDisplay.add(new JLabel("Date:"));

txtDate = new JTextField(5);

pnlDisplay.add(txtDate);

pnlDisplay.add(new JLabel("Time:"));

txtTime = new JTextField(5);

pnlDisplay.add(txtTime);

pnlDisplay.add(new JLabel("Capacity:"));

txtcapacity = new JTextField(20);

pnlDisplay.add(txtcapacity);

// add the save and close buttons to the command panel

pnlCommand.setLayout(new GridLayout(1, 4));

SaveCommand = new JButton("Save");

commandCloser = new JButton("Close");

ClearAll = new JButton("Clear All");

cmdSortFirstName = new JButton("Sort by Name");

cmdSortWaittime= new JButton("Sort by Time");

Capacity= new JButton("Capacity");

pnlCommand.add(SaveCommand);

pnlCommand.add(commandCloser);

pnlCommand.add(ClearAll);

pnlCommand.add(cmdSortWaittime);

pnlCommand.add(cmdSortFirstName);

pnlCommand.add(Capacity);

// add the display and command panels to the GUI

add(pnlDisplay, BorderLayout.CENTER);

add(pnlCommand, BorderLayout.SOUTH);

// finalize the GUI and make it visible

pack();

setVisible(true);

// add action listeners to the buttons

commandCloser.addActionListener(new commandCloser());

SaveCommand.addActionListener(new SaveCommand());

// set this object to be the current instance of EntryScreen

ReservationEntry1 = this;

}

// ActionListener class for the close button

private class commandCloser implements ActionListener {

public void actionPerformed(ActionEvent d) {

ReservationEntry1.setVisible(false);

System.out.println("Close button clicked");

}

// ActionListener class for the save button

private class SaveCommand implements ActionListener {

public void actionPerformed(ActionEvent e) {

// generate a random ID and table number

Random random = new Random();

int id = random.nextInt(10000) + 1;

// extract information from the text fields

String name = txtName.getText();

String[] Name = name.split(", ");

String Capacity = txtcapacity.getText();

int capacity = 0;

if (!Capacity.isEmpty()) {

try {

capacity = Integer.parseInt(Capacity);

} catch (NumberFormatException ex) {

System.out.println(" Error");

}

String date = txtDate.getText();

String time = txtTime.getText();

// create a reservation object

Reservation reservation = new Reservation(id, name, tableNumber, capacity, date, time);

// add the reservation data to the table model

Object[] rowData = {id, name, capacity, date, time};

tableModel.addRow(rowData);

// add the reservation to the driver's list

reservationlist1.addReservation(reservation);

// hide the reservation entry screen

ReservationEntry1.setVisible(true);

// display ID in a dialog box

JOptionPane.showMessageDialog(null, "Reservation ID: " + id);

}

Accepted Answer

To enable sorting for your JTable, you can use the TableRowSorter class. First, create an instance…