How to show applets in a html file ?

Hi all
I have created an applet with jdev ,and I also generated the corresponding html file and a main method. So the java file runs standalone when I click on the run button , but when I copied the class file and the html file in a web server, then there is nothing in the applet region ! Can anyone help me ?
Here are the code :
Code of the java file :
// Copyright (c) 2001
package pack_applet;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
* Applet
* <P>
* @author xxxx
public class Capplet extends JApplet {
boolean isStandalone = false;
String x;
String y;
JLabel label = new JLabel();
* Constructs a new instance.
* getParameter
* @param key
* @param def
* @return java.lang.String
public String getParameter(String key, String def) {
if (isStandalone) {
return System.getProperty(key, def);
if (getParameter(key) != null) {
return getParameter(key);
return def;
public Capplet() {
* Initializes the state of this instance.
* init
public void init() {
x = this.getParameter("x", "0");
y = this.getParameter("y", "1");
try {
jbInit();
catch (Exception e) {
e.printStackTrace();
private void jbInit() throws Exception {
this.setSize(new Dimension(400, 400));
this.getContentPane().add(label, BorderLayout.CENTER);
label.setText("x = "+x+" y = "+y);
* start
public void start() {
* stop
public void stop() {
* destroy
public void destroy() {
* getAppletInfo
* @return java.lang.String
public String getAppletInfo() {
return "Applet Information";
* getParameterInfo
* @return java.lang.String[][]
public String[][] getParameterInfo() {
String[][] pinfo =
{"x", "String", ""},
{"y", "String", ""},
return pinfo;
* main
* @param args
public static void main(String[] args) {
Capplet applet = new Capplet();
applet.isStandalone = true;
JFrame frame = new JFrame();
frame.setTitle("Applet Frame");
frame.getContentPane().add(applet, BorderLayout.CENTER);
applet.init();
applet.start();
frame.setSize(400, 420);
Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
frame.setLocation((d.width - frame.getSize().width) / 2, (d.height - frame.getSize().height) / 2);
frame.setVisible(true);
frame.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } });
static {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
catch(Exception e) {
e.printStackTrace();
And code of the html file :
<HTML>
<HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=windows-1252">
<HTML>
<TITLE>
HTML Applet Test Page
</TITLE>
</HEAD>
<BODY>
<SCRIPT LANGUAGE="JavaScript"></SCRIPT>
<COMMENT><SCRIPT LANGUAGE="JavaScript1.1"></SCRIPT></COMMENT>
pack_applet.Capplet will appear below in a Java enabled browser.<BR>
<SCRIPT LANGUAGE="JavaScript"></SCRIPT>
<APPLET CODE = "pack_applet.Capplet" CODEBASE = "Capplet.class" WIDTH = 400 HEIGHT = 400 ALIGN = middle NAME = "TestApplet" >
</XMP>
<PARAM NAME = CODE VALUE = "pack_applet.Capplet" >
<PARAM NAME = CODEBASE VALUE = "Capplet.class" >
<PARAM NAME = NAME VALUE = "TestApplet" >
<PARAM NAME = "type" VALUE = "application/x-java-applet;version=1.2">
<PARAM NAME = "x" VALUE = "0">
<PARAM NAME = "y" VALUE = "1">
</APPLET>
</NOEMBED></EMBED></OBJECT>
</BODY>
</HTML>
Thank you very much.

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navigateToURL(new URLRequest("yourpdf.pdf"));

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