flightreservation.java

The code to demonstrate simple GUI in Java

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.event.*;

public class FlightReservation extends JFrame {

  public FlightReservation() {
    super("Flight Reservation Dialog");
    setSize(400, 300);

    JPanel p1 = new JPanel();
    p1.setLayout(new BoxLayout(p1, BoxLayout.X_AXIS));

    JPanel p1r = new JPanel();
    p1r.setBorder(new EmptyBorder(10,10,10,10));

    JPanel p11 = new JPanel();
    p11.setLayout(new GridLayout(3, 1));

    JPanel p12 = new JPanel();
    p12.setLayout(new GridLayout(3, 1));

    p11.add(new JLabel("Date:"));
    p12.add(new JTextField());

    p11.add(new JLabel("From:"));
    JComboBox cb1 = new JComboBox();
    cb1.addItem("Kuala Lumpur");
    cb1.addItem("Johor");
    cb1.addItem("Penang");
    cb1.addItem("Melaka");
    p12.add(cb1);

    p11.add(new JLabel("To:"));
    JComboBox cb2 = new JComboBox();
    cb2.addItem("Melaka");
    cb2.addItem("Penang");
    cb2.addItem("Johor");
    cb2.addItem("Kuala Lumpur");
    p12.add(cb2);

    p1r.setLayout(new BorderLayout());
    p1r.add(p11, BorderLayout.WEST);
    p1r.add(p12, BorderLayout.CENTER);
    p1.add(p1r);

    JPanel p3 = new JPanel();
    p3.setLayout(new GridLayout(3, 1));
    p3.setBorder(new TitledBorder("Options"));

    ButtonGroup group = new ButtonGroup();
    JRadioButton r1 = new JRadioButton("First class");
    group.add(r1);
    p3.add(r1);

    JRadioButton r2 = new JRadioButton("Business");
    group.add(r2);
    p3.add(r2);

    JRadioButton r3 = new JRadioButton("Economy");
    group.add(r3);
    p3.add(r3);

    p1.add(p3);

    getContentPane().add(p1, BorderLayout.NORTH);

    JPanel p2 = new JPanel(new BorderLayout());
    p2.setBorder(new TitledBorder("Available Flights"));

    JTextArea text = new JTextArea();
    JScrollPane ps = new JScrollPane(text);

    p2.add(ps, BorderLayout.CENTER);
    getContentPane().add(p2, BorderLayout.CENTER);

    JPanel p4 = new JPanel();
    JPanel p4c = new JPanel();
    p4c.setLayout(new GridLayout(1, 3));

    JButton b1 = new JButton("Search");
    p4c.add(b1);

    JButton b2 = new JButton("Purchase");
    p4c.add(b2);

    JButton b3 = new JButton("Exit");
    p4c.add(b3);

    p4.add(p4c);
    getContentPane().add(p4, BorderLayout.SOUTH);
  }

  public static void main(String argv[]) {
    FlightReservation frame = new FlightReservation();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  //Version 1.3
    frame.show();
  }
}