Thread: hi, guys help me to write code in applets for below questions

Write a Java program that performs the task of a simple calculator.
3 textboxes (2 input, 1 output)
5 buttons (5 operators)
2 labels (1 your name, 1 to display your index number in different colour and different font)
Program name should display in the Title Bar

urgently need codes in java for airline reservation system;

--- Update ---

beginner and this is first project

package airlinereservationsystem;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;


public class ReservationSystem extends JFrame implements ActionListener
{
private int seatCounter = 0;
private JLabel userInstructions = new JLabel("Click the button" +
" representing the seat you want " +
"to reserve the seat");
private JButton[] buttonArray = new JButton[12];
private JButton exitButton = new JButton("Click to Exit");
private boolean isReserved = true;

public ReservationSystem()
{
super("SchexAirlines Reservation System");
addWindowListener(new WindowDestroyer( ));
Container contentPane = getContentPane( );
contentPane.setLayout(new BorderLayout( ));
JPanel InstructionsPanel = new JPanel( );
JPanel buttonPanel = new JPanel( );
JPanel exitPanel = new JPanel( );

//add listener to the exit button
exitButton.addActionListener(this);
exitButton.setToolTipText("Click here when finished");

InstructionsPanel.add(userInstructions);
contentPane.add(InstructionsPanel, BorderLayout.NORTH);

buttonPanel.setLayout(new GridLayout(5,3));

for (int i=0;i<12;i++)
{
buttonArray[i] = new JButton("Seat " + (i+1));
buttonArray[i].addActionListener(this);
buttonArray[i].setToolTipText("Click to book seat");
buttonPanel.add(buttonArray[i]);
}
contentPane.add(buttonPanel,BorderLayout.CENTER);
exitPanel.add(exitButton);
contentPane.add(exitPanel,BorderLayout.SOUTH);
pack();
}

public void actionPerformed(ActionEvent e)
{
String confirmSeat = "Are you sure you want to book this seat?";
String confirmQuit = "Are you sure you would like to quit?";
String seatBooked = "Unbook seat? Click YES to unbook, or NO to " +
"choose another seat.";
for (int i = 0; i < 12; i++)
{
if (e.getActionCommand( ).equals("Seat " +(i + 1)))
{
int choice = JOptionPane.showConfirmDialog(null, confirmSeat,
"Confirm Seat Selection",
JOptionPane.YES_NO_OPTION);
if(choice == JOptionPane.YES_OPTION)
{
buttonArray[i].setText("RESERVED");
buttonArray[i].setToolTipText("Seat Taken");
buttonArray[i].setForeground(Color.red);
buttonArray[i].setActionCommand("booked");
}
}
}

if (e.getActionCommand( ).equals("Click to Exit"))
{
int choice = JOptionPane.showConfirmDialog(null, confirmQuit, "Confirm Quit",
JOptionPane.YES_NO_OPTION);
if(choice == JOptionPane.NO_OPTION)
e.getActionCommand();
else
System.exit(0);
}

for(int i = 0; i < 12; i++)
{
if(e.getActionCommand().equals("booked"))
{
int choice = JOptionPane.showConfirmDialog(null, seatBooked, "Seat " +
"Already Booked", JOptionPane.YES_NO_OPTION);
if(choice == JOptionPane.YES_OPTION)
{
buttonArray[i].setText("Seat " + (i+1));
buttonArray[i].setActionCommand("unbooked");
e.getActionCommand();
}
else
{
buttonArray[i].setActionCommand("booked");
e.getActionCommand();
}
}
else
e.getSource();
}
}
@Override
protected void processWindowEvent(WindowEvent e) {

if (e.getID() == WindowEvent.WINDOW_CLOSING)
{
int exit = JOptionPane.showConfirmDialog(this, "Are you sure?");
if (exit == JOptionPane.YES_OPTION)
{
System.exit(0);
}
}
else
{
super.processWindowEvent(e);
}
}
}

--- Update ---

package airlinereservationsystem;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;


public class ReservationSystem extends JFrame implements ActionListener
{
private int seatCounter = 0;
private JLabel userInstructions = new JLabel("Click the button" +
" representing the seat you want " +
"to reserve the seat");
private JButton[] buttonArray = new JButton[12];
private JButton exitButton = new JButton("Click to Exit");
private boolean isReserved = true;

public ReservationSystem()
{
super("SchexAirlines Reservation System");
addWindowListener(new WindowDestroyer( ));
Container contentPane = getContentPane( );
contentPane.setLayout(new BorderLayout( ));
JPanel InstructionsPanel = new JPanel( );
JPanel buttonPanel = new JPanel( );
JPanel exitPanel = new JPanel( );

//add listener to the exit button
exitButton.addActionListener(this);
exitButton.setToolTipText("Click here when finished");

InstructionsPanel.add(userInstructions);
contentPane.add(InstructionsPanel, BorderLayout.NORTH);

buttonPanel.setLayout(new GridLayout(5,3));

for (int i=0;i<12;i++)
{
buttonArray[i] = new JButton("Seat " + (i+1));
buttonArray[i].addActionListener(this);
buttonArray[i].setToolTipText("Click to book seat");
buttonPanel.add(buttonArray[i]);
}
contentPane.add(buttonPanel,BorderLayout.CENTER);
exitPanel.add(exitButton);
contentPane.add(exitPanel,BorderLayout.SOUTH);
pack();
}

public void actionPerformed(ActionEvent e)
{
String confirmSeat = "Are you sure you want to book this seat?";
String confirmQuit = "Are you sure you would like to quit?";
String seatBooked = "Unbook seat? Click YES to unbook, or NO to " +
"choose another seat.";
for (int i = 0; i < 12; i++)
{
if (e.getActionCommand( ).equals("Seat " +(i + 1)))
{
int choice = JOptionPane.showConfirmDialog(null, confirmSeat,
"Confirm Seat Selection",
JOptionPane.YES_NO_OPTION);
if(choice == JOptionPane.YES_OPTION)
{
buttonArray[i].setText("RESERVED");
buttonArray[i].setToolTipText("Seat Taken");
buttonArray[i].setForeground(Color.red);
buttonArray[i].setActionCommand("booked");
}
}
}

if (e.getActionCommand( ).equals("Click to Exit"))
{
int choice = JOptionPane.showConfirmDialog(null, confirmQuit, "Confirm Quit",
JOptionPane.YES_NO_OPTION);
if(choice == JOptionPane.NO_OPTION)
e.getActionCommand();
else
System.exit(0);
}

for(int i = 0; i < 12; i++)
{
if(e.getActionCommand().equals("booked"))
{
int choice = JOptionPane.showConfirmDialog(null, seatBooked, "Seat " +
"Already Booked", JOptionPane.YES_NO_OPTION);
if(choice == JOptionPane.YES_OPTION)
{
buttonArray[i].setText("Seat " + (i+1));
buttonArray[i].setActionCommand("unbooked");
e.getActionCommand();
}
else
{
buttonArray[i].setActionCommand("booked");
e.getActionCommand();
}
}
else
e.getSource();
}
}
@Override
protected void processWindowEvent(WindowEvent e) {

if (e.getID() == WindowEvent.WINDOW_CLOSING)
{
int exit = JOptionPane.showConfirmDialog(this, "Are you sure?");
if (exit == JOptionPane.YES_OPTION)
{
System.exit(0);
}
}
else
{
super.processWindowEvent(e);
}
}
}