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Home Page Information Technology Java Programing (ජාවා වැඩසටහන්කරණය)

Race Track and Latest Java Applet Codes
Wednesday, 09 March 2011 20:17


Java Applet Sample codes and graphical interface example

Java sample codes and jave swing applets sample codes. Java Swing applet graphics display create oval, line and graphical options Java Swing applet clock buttons and all swing applet component containing example.

import javax.swing.*;
import java.awt.geom.*;
import java.awt.*;
public class RaceTrack extends JFrame
private RaceTrackPanel animation;
private JLabel betLabel, potLabel, bankLabel, carLabel;
private JTextField betField, carField, potField, bankField, winnerField;
private JButton goButton;
private JPanel p;
public RaceTrack( )
mage Track = new ImageIcon("Track.gif").getImage();
Image Car1 = new ImageIcon("Redcar.gif").getImage();
Image Car2 = new ImageIcon("Bluecar.gif").getImage();
animation = new RaceTrackPanel(this, Track, Car1, Car2);
Container c = getContentPane();
c.setLayout(new BorderLayout( ));
p = new JPanel( );
GridBagLayout grid = new GridBagLayout();
betLabel = new JLabel("Enter Bet");
carLabel = new JLabel("Choose Car");
potLabel = new JLabel("Pot");
bankLabel = new JLabel("Bank");
betField = new JTextField(5);
carField = new JTextField(2);
potField = new JTextField(5);
bankField = new JTextField(7);
winnerField = new JTextField(20);
goButton = new JButton("Start Race");
GridBagConstraints gbc = new GridBagConstraints( );
gbc.fill = GridBagConstraints.BOTH;
gbc.insets = new Insets(5,5,5,5);
gbc.fill = GridBagConstraints.NONE;
gbc.anchor = GridBagConstraints.EAST;
gbc.anchor = GridBagConstraints.WEST;
gbc.anchor = GridBagConstraints.EAST;
gbc.anchor = GridBagConstraints.WEST;
gbc.anchor = GridBagConstraints.EAST;
gbc.anchor = GridBagConstraints.WEST;
gbc.anchor = GridBagConstraints.EAST;
gbc.anchor = GridBagConstraints.WEST;
gbc.anchor = GridBagConstraints.WEST;
c.add("Center", animation);
c.add("South", p);
private void gblAdd(Component c, GridBagLayout
grid,GridBagConstraints gbc, int x, int y, int w, int h)
gbc.gridx = x;
gbc.gridy = y;
gbc.gridwidth = w;
gbc.gridheight = h;
public static void main(String[] args)
JFrame f = new RaceTrack( );
f.setSize(700, 400);;
class RaceTrackPanel extends JPanel
RaceTrack holder;
Image Track, Car1, Car2;
int Xpos, Ypos;
public RaceTrackPanel(RaceTrack app, Image Track,
Image Car1, Image Car2)
his.Track = Track;
this.Car1 = Car1;
this.Car2 = Car2;
holder = app;
Xpos = 30;
Ypos = 30;
public void paintComponent(Graphics g)
int w;
int h;
w = Track.getWidth(this);
h = Track.getHeight(this);
if ((w>0) && (h>0))
g.drawImage(Track, Xpos, Ypos, this);
w = Car1.getWidth(this);
h = Car2.getHeight(this);
if ((w>0) && (h>0))
g.drawImage(Car1, Xpos, Ypos +25, this);
g.drawImage(Car2, Ypos, Ypos +130, this);

Download Sample Program codes from here:


Last Updated on Wednesday, 09 March 2011 20:50

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