Turning a Java applett into a *.exe

How do you turn a Java applett into an *.exe?

Have a look at http://gcc.gnu.org/java/. Its not complete, and I've never tried it on Windows, but it kinda works for linux.
The other thing you could do is create a C/C++ wrapper that starts a JVM and runs your main class. http://www.kcmultimedia.com/javaserv/ has some GPL code for doing this for an NT service, but the principle is the same for non-service apps.

Similar Messages

How do you turn java code into an .exe or etc...

I can't seem to figure out how to turn my java code into an executable in windows so that it runs by itself without a comipler, can someone help? (without using visual J++).

I can't seem to figure out how to turn my java code
into an executable in windows so that it runs by
itself without a comipler, can someone help? (without
using visual J++).I saw a tutorial on that, you might want to check it out.
http://developer.java.sun.com/developer/onlineTraining/new2java/divelog/?frontpage-headlinesfeatures

Compiling JAVA into Windows .exe files

Hi,
Here's an easy question - how do you compile JAVA source into Windows .exe files (as opposed to class files with bytecode in them). I imagine there is a third-party product out there somewhere?

A Bayesian network is a mathematical representation of logical inference.
A very simple example has two nodes: "has tail" and "is horse", connected by a single link. If we know "is horse" is true, then it nearly always follows that "has tail" is also true. This is called modus ponens in logic. If we know "has tail" is true, then "is horse" might be true, but it might not. To infer that "is horse" is true in such a case is to commit what is called the fallacy of affirming the consequent, in logic. However, using Bayes' theorem, which would require that we know some general information about the prevelance of horses among tailed animals, and the general prevalence of horses among things in general, we can measure the exact increase in the probability that "is horse" is true that results from our knowing "has tail" to be true.
For more information, see http://www.bayesian.org
The classic book on the subject is Judea Pearl, Probabilistic Reasoning in Intelligent Systems.

How can i convert java application of bibeans to java applet?

Hi Bibeans PMTeam,
Bibeans provide two type client:java application and web client(JSP/Servlet)，because web client's function is weaker than java app,so we want to convert java app to java applet,thus,we can embed java applet into web browser(our system framework is in web browser).
That is,we want one applet client that commution with a server side service(can by socket,just like oracle 9i form service)that provide the data that applet need,or the applet connect to olap server and bibeans catalog server by socket(this need security authentication if olap server,bibeans catalog,web server is not in one machine).
so we need you provide whole resolve scheme,thanks a lot,if this answer is not clarity,please connect:[email protected],thanks a lot!

hi tomsong
well, in my experience 20mb are quite large for an applet. also take into account that you need a certain jvm that supports this type of application (my guess is that internet explorers native vm isnt an option)
i personally would tend to deliver the functionality via java webstart (look at the sunsite):so you can centrally manage the software, download it once and opertae an application on your client (i mean an APPLICATION and not an applet)
regarding 2: well but there is NO bibean service in ias: so you have to open the former mentioned jdbc connection to the olap service from your client
for the availability: you have to check with the pm team
in the meantime: what about the following approach: give power users a java application and lightweight or random users a handy html client ?
regards,
thomas

JAVA Applet embedded in a JSP MI Application.

Hi
I am trying to include a Java Applet into a JSP page in my MI application. The code is as follows:
<jsp:plugin type = "applet"
     code = "com.mycompany.applet.myApplet.class">
</jsp:plugin>
It gave me a Class Not Found exception. If I place the class in the same directory that the JSP resides it works properly. It seems that I need to set the codebase and/or archive property to work. But every value I use to set them still gaves me the CLASS NOT FOUND Exception. I am using MI2.5 and the jar file is located at MYAPPS/WEB-INF/lib folder. Any suggestion will be appreciated.

Hi,
   plz try the following and see whether it can be of any help.
<jsp:plugin type = "applet"
code = "com.mycompany.applet.myApplet.class
codebase=http://localhost:4444/*>
</jsp:plugin>
OR
<jsp:plugin type = "applet"
code = "com.mycompany.applet.myApplet
archive="Applet.jar"       -
> jar
codebase=http://localhost:4444/*>
</jsp:plugin>
The codebase plays an important role as when u r running it relatively on a web server, the path for code base becomes relative as is described above.
plz try this and let me know.
regards
anubhav

Java-applet counter

Hi there,
I've created a java-applet that can be widely used so I encourage people to include the java applet into other sites by means of the <applet code="blah.class" codebase="http://www.blah.com/"></applet>I'm wondering however if it would be possible to keep statistics of how many times the applet is loaded. I created a free Nedstat subscription and here's some html code:

<script language="JavaScript" type="text/javascript" src="http://m1.nedstatbasic.net/basic.js">
</script>
<script language="JavaScript" type="text/javascript" >

</script>
<noscript>
<a target="_blank" href="http://www.nedstatbasic.net/stats?FPZ43f3d3d287Df"><img
src="http://m1.nedstatbasic.net/n?id=FPZ43f3d3d287Df"
border="0" width="18" height="18"
alt="Nedstat Basic - Free web site statistics
Personal homepage website counter"></a><br>
<a target="_blank" href="http://www.nedstatbasic.net/">Free counter</a>
</noscript>
I'm guessing that the javascript here "does the counting". Is there any possibility to include this javascript in the java applet, and how could it be done?
Thank you very much,
happy holidays
W.

cool i found another solution :-)
cheers
W.

Embed java applet in web dynpro

Hi experts,
is it possible to embed a java applet into a web Dynpro application. Or have I to use a jsp / Servlet / AbstractPortalApplication / (JSP)Dynpage
Regards
Fllo

Hi
yes its possible...
go thorugh these docs..:[https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/91b8c890-0201-0010-c787-be96f6fade89]
[http://www.vogella.de/articles/SAPWebDynpro/article.html]
[https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/8382535d-0d01-0010-dbb5-d3d41dfefd10]
hpe it hlps u..
Regards,
Khushboo

Including java applets in pdf documents

Dear all,
I would like to include a java applet in a pdf document. Is this possible? If so, how would I go about it?
Thanks,
Philip

A google search threw up the following:
JView Acrobat Plug-in for Incorporating Java Applets into PDF Documents
Acrobat Plug-in allowing generic network-aware and standalone Java Applets to be incorporated as content within PDF documents.
See
http://www.giavaneers.com/technology/technology.html
Sorry, I have no other information about this item.

Java Applet in Flash CS4 (ActionScript 3.0)

Hi Guys,
I wonder if anyone can help me as I am a little confused.
Is it possible to insert a Java Applet into Flash CS4 (ActionScript 3.0)
Any advice is much appreciated
Thanks

I wouldn't swear to it, but I don't think you can "import" and run an applet internally in flash, but you can call it as an external file from flash and display/run it in an html container for example.
Just as flash (swf) is run through FlashPlayer as the runtime environment, Applets use the Java Console as its runtime environment.

Java Applets in Flash CS4 (ActionScript 3.0)

Hi Guys,
I wonder if anyone can help me as I am a little confused.
Is it possible to insert a Java Applet into Flash CS4 (ActionScript 3.0)
Any advice is much appreciated
Thanks

Perhaps one can do it using AIR but not Flash IDE (CS4) or ActionScript.

How to load Java applets on Gemxplore 3G card ? (APDU inside)

Hi,
Does anyone have experience on how to load Java applets into Gemxplore 3G card ?
I tried to load the tck applets into Gemxplore 3G card but the got sw 6985 for INSTALL FOR INSTALL Make Selectable
Here is the details on APDUs.
Do you know what is wrong ?
Regards
-guoqing
SELECT
*00 A4 04 00 07 A0 00 00 00 18 43 4D*
*61 1A [Normal ending of the command with <26> bytes of extra information.]*
INITIALIZE UPDATE
*80 50 01 01 08 00 01 02 03 04 05 06 07 (1C)*
*43 4D 6D FF 23 B5 C4 13 20 1A 01 01 9F 15 97 A5 CE E9 CF A7 19 C6 8D F9 8B 9A 78 DB, 90 00 [Normal ending of the command.]*
EXTERNAL AUTHENTICATE
*84 82 01 00 10 EB 88 23 3C B6 4E 23 E9 69 1B 30 08 56 7A 1F 8F*
*90 00 [Normal ending of the command.]*
INSTALL FOR LOAD
*84 E6 02 00 24 09 A0 00 00 00 62 B0 BA A1 01 00 00 0E EF 0C C6 02 00 00 C8 02 00 00 C7 02 00 00 00 53 9D 96 C2 D4 8F 41 6B (00)*
*00, 90 00 [Normal ending of the command.]*
SELECT
*00 A4 04 00 07 A0 00 00 00 18 43 4D*
*61 1A [Normal ending of the command with <26> bytes of extra information.]*
INITIALIZE UPDATE
*80 50 01 01 08 00 01 02 03 04 05 06 07 (1C)*
*43 4D 6D FF 23 B5 C4 13 20 1A 01 01 A5 57 A0 A0 00 7E 5A 3F A5 10 6A 37 69 16 AA 6F, 90 00 [Normal ending of the command.]*
EXTERNAL AUTHENTICATE
*84 82 01 00 10 28 BA 3A C4 D6 05 C9 C9 70 37 39 F1 7B 6D F8 80*
*90 00 [Normal ending of the command.]*
INSTALL FOR INSTALL Make Selectable
*84 E6 0C 00 36 09 A0 00 00 00 62 B0 BA A1 01 09 A0 00 00 00 62 B0 BA A1 81 09 A0 00 00 00 62 B0 BA A1 81 01 00 0C EF 08 C7 02 00 00 C8 02 00 00 C9 00 00 A4 CE 57 8B 19 F2 9E 0A (00)*
*69 85*
Edited by: guoqing on May 19, 2008 6:06 AM
Edited by: guoqing on May 19, 2008 6:20 AM

I don't have any experience with GTO's cards, but one would expect they provide a user guide or a data sheet how to load applications.. Reasons could be:
1. Issuer policy to have a certain security level for content management --> raise the security level to C_MAC + ENC
2. Issuer policy this card is static --> no post-issuance

Invoking Java Applet from SAP Netweaver Eportal using java webdynpro

Hi ,
We are using SAP Netweaver portal version 7.0.WE want to invoke java applet into webdynpro java application on button click.
The Applet should open in a new window when the particular parameter is selected and the button is clicked
The code is given below:
String html = "<HTML> <HEAD></HEAD> <BODY><APPLET code=\"org.faceless.pdf2.viewer2.PDFViewerApplet\" type=\"application/x-java-applet;version=1.4.2_05\" archive=\"bfopdf.jar\" width=800 height=600></APPLET></BODY></HTML>";
IWDCachedWebResource resource = WDWebResource.getWebResource(html.getBytes("UTF-8"), WDWebResourceType.HTML);
resource.setResourceName("HTML_inline.html");
IWDWindow window = wdComponentAPI.getWindowManager().createNonModalExternalWindow(resource.getAbsoluteURL(),"Image");
window.removeWindowFeature(WDWindowFeature.TOOL_BAR);
window.removeWindowFeature(WDWindowFeature.ADDRESS_BAR);
window.removeWindowFeature(WDWindowFeature.STATUS_BAR);
window.open();
But after clicking on button new html window is opening and the applet is not showing properly. The java console showing the error:
java.lang.ClassFormatError: Truncated class file
     at java.lang.ClassLoader.defineClass1(Native Method)
     at java.lang.ClassLoader.defineClassCond(Unknown Source)
     at java.lang.ClassLoader.defineClass(Unknown Source)
     at java.security.SecureClassLoader.defineClass(Unknown Source)
     at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
     at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
     at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
Exception: java.lang.ClassFormatError: Truncated class file
Please suggest how to solve this error.
Regards,
Dhruba

Hi,
I'm not sure, but I believe the 'code' argument should end with '.class'. However, your implementation of displaying a Java applet seems ok, the error is within the applet's Jar file
Anyway, have a look at http://download.oracle.com/javase/1,5.0/docs/guide/plugin/developer_guide/using_tags.html#applet and http://www.w3.org/TR/html401/struct/objects.html#h-13.4 on how to use the <applet> tag
As a test, you could try and create a local HTML document on your local desktop, including the applet. I would suspect you will receive the same error in your Java console
I believe the only option is to recompile your Java applet (if possible at all) against a newer JDK (1.4 and up)

Changing Java class into Java Bean

Can anybody tell me how to change a Java class into simple Java Bean.I dont need any visual interface of Java Bean.I simply want to turn my Java class into Java Bean.

You can use almost any class as a java bean.
To be a bean it must
1 - Have a constructor which takes no arguments (so it can be instantiated)
2 - For properties/attributes which you want to have readable/writable, provide get / set methods of the appropriate type.
Thats it.

Php adding java applet

Hi, I new to java and php and I want to use php and using java applet. How to add java applet into php. Please Help me.

How to add java applet into php. Please Help me. If it is working in html why don't you puts those tags in your php page.
something like this. But i don't know your PHP server support java..
<?php
Your php here
?>
<applet code="MyApplet.class" width=100 height=140></applet>
<?php
more php here
?>Edited by: sunish_jose on Jan 29, 2009 12:41 PM

Problem converting a (working) Java program into an applet

When I'm trying to access an Image through a call to :
mediaTracker = new MediaTracker(this);
backGroundImage = getImage(getDocumentBase(), "background.gif");
mediaTracker.addImage(backGroundImage, 0);
I'm getting a nullPointerException as a result of the call to getDocumentBase() :
C:\Chantier\Java\BallsApplet
AppletViewer testBallsApplet.htmljava.lang.NullPointerException
at java.applet.Applet.getDocumentBase(Applet.java:125)
at Balls.<init>(Balls.java:84)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstruct
orAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingC
onstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
at java.lang.Class.newInstance0(Class.java:296)
at java.lang.Class.newInstance(Class.java:249)
at sun.applet.AppletPanel.createApplet(AppletPanel.java:548)
at sun.applet.AppletPanel.runLoader(AppletPanel.java:477)
at sun.applet.AppletPanel.run(AppletPanel.java:290)
at java.lang.Thread.run(Thread.java:536)
It seems very weird to me... :-/
(all the .gif files are in the same directory than the .class files)
The problem appears with AppletViewer trying to open an HTML file
containing :
<HTML>
<APPLET CODE="Balls.class" WIDTH=300 HEIGHT=211>
</APPLET>
</HTML>
(I tried unsuccessfully the CODEBASE and ARCHIVE attributes, with and without putting the .gif and .class into a .jar file)
I can't find the solution by myself, so, I'd be very glad if someone could help
me with this... Thank you very much in advance ! :-)
You'll find below the source of a small game that I wrote and debugged (without
problem) and that I'm now (unsuccessfully) trying to convert into an Applet :
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import java.net.URL;
public class Balls extends java.applet.Applet implements Runnable, KeyListener
private Image offScreenImage;
private Image backGroundImage;
private Image[] gifImages = new Image[6];
private Image PressStart ;
private Sprite pressStartSprite = null ;
private Image YouLose ;
private Sprite YouLoseSprite = null ;
private Image NextStage ;
private Sprite NextStageSprite = null ;
private Image GamePaused ;
private Sprite GamePausedSprite = null ;
//offscreen graphics context
private Graphics offScreenGraphicsCtx;
private Thread animationThread;
private MediaTracker mediaTracker;
private SpriteManager spriteManager;
//Animation display rate, 12fps
private int animationDelay = 83;
private Random rand = new Random(System.currentTimeMillis());
private int message = 0 ; // 0 = no message (normal playing phase)
// 1 = press space to start
// 2 = press space for next level
// 3 = game PAUSED, press space to unpause
// 4 = You LOSE
public static void main(String[] args)
try
new Balls() ;
catch (java.net.MalformedURLException e)
System.out.println(e);
}//end main
public void start()
//Create and start animation thread
animationThread = new Thread(this);
animationThread.start();
public void init()
try
new Balls() ;
catch (java.net.MalformedURLException e)
System.out.println(e);
public Balls() throws java.net.MalformedURLException
{//constructor
// Load and track the images
mediaTracker = new MediaTracker(this);
backGroundImage = getImage(getDocumentBase(), "background.gif");
mediaTracker.addImage(backGroundImage, 0);
PressStart = getImage(getDocumentBase(), "press_start.gif");
mediaTracker.addImage(PressStart, 0);
NextStage = getImage(getDocumentBase(), "stage_complete.gif");
mediaTracker.addImage(NextStage, 0);
GamePaused = getImage(getDocumentBase(), "game_paused.gif");
mediaTracker.addImage(GamePaused, 0);
YouLose = getImage(getDocumentBase(), "you_lose.gif");
mediaTracker.addImage(YouLose, 0);
//Get and track 6 images to use
// for sprites
gifImages[0] = getImage(getDocumentBase(), "blueball.gif");
mediaTracker.addImage(gifImages[0], 0);
gifImages[1] = getImage(getDocumentBase(), "redball.gif");
mediaTracker.addImage(gifImages[1], 0);
gifImages[2] = getImage(getDocumentBase(), "greenball.gif");
mediaTracker.addImage(gifImages[2], 0);
gifImages[3] = getImage(getDocumentBase(), "yellowball.gif");
mediaTracker.addImage(gifImages[3], 0);
gifImages[4] = getImage(getDocumentBase(), "purpleball.gif");
mediaTracker.addImage(gifImages[4], 0);
gifImages[5] = getImage(getDocumentBase(), "orangeball.gif");
mediaTracker.addImage(gifImages[5], 0);
//Block and wait for all images to
// be loaded
try {
mediaTracker.waitForID(0);
}catch (InterruptedException e) {
System.out.println(e);
}//end catch
//Base the Frame size on the size
// of the background image.
//These getter methods return -1 if
// the size is not yet known.
//Insets will be used later to
// limit the graphics area to the
// client area of the Frame.
int width = backGroundImage.getWidth(this);
int height = backGroundImage.getHeight(this);
//While not likely, it may be
// possible that the size isn't
// known yet. Do the following
// just in case.
//Wait until size is known
while(width == -1 || height == -1)
System.out.println("Waiting for image");
width = backGroundImage.getWidth(this);
height = backGroundImage.getHeight(this);
}//end while loop
//Display the frame
setSize(width,height);
setVisible(true);
//setTitle("Balls");
//Anonymous inner class window
// listener to terminate the
// program.
this.addWindowListener
(new WindowAdapter()
{public void windowClosing(WindowEvent e){System.exit(0);}});
// Add a key listener for keyboard management
this.addKeyListener(this);
}//end constructor
public void run()
Point center_place = new Point(
backGroundImage.getWidth(this)/2-PressStart.getWidth(this)/2,
backGroundImage.getHeight(this)/2-PressStart.getHeight(this)/2) ;
pressStartSprite = new Sprite(this, PressStart, center_place, new Point(0, 0),true);
center_place = new Point(
backGroundImage.getWidth(this)/2-NextStage.getWidth(this)/2,
backGroundImage.getHeight(this)/2-NextStage.getHeight(this)/2) ;
NextStageSprite = new Sprite(this, NextStage, center_place, new Point(0, 0),true);
center_place = new Point(
backGroundImage.getWidth(this)/2-GamePaused.getWidth(this)/2,
backGroundImage.getHeight(this)/2-GamePaused.getHeight(this)/2) ;
GamePausedSprite = new Sprite(this, GamePaused, center_place, new Point(0, 0),true);
center_place = new Point(
backGroundImage.getWidth(this)/2-YouLose.getWidth(this)/2,
backGroundImage.getHeight(this)/2-YouLose.getHeight(this)/2) ;
YouLoseSprite = new Sprite(this, YouLose, center_place, new Point(0, 0),true);
BackgroundImage bgimage = new BackgroundImage(this, backGroundImage) ;
for (;;) // infinite loop
long time = System.currentTimeMillis();
message = 1 ; // "press start to begin"
while (message != 0)
repaint() ;
try
time += animationDelay;
Thread.sleep(Math.max(0,time - System.currentTimeMillis()));
catch (InterruptedException e)
System.out.println(e);
}//end catch
boolean you_lose = false ;
for (int max_speed = 7 ; !you_lose && max_speed < 15 ; max_speed++)
for (int difficulty = 2 ; !you_lose && difficulty < 14 ; difficulty++)
boolean unfinished_stage = true ;
spriteManager = new SpriteManager(bgimage);
spriteManager.setParameters(difficulty, max_speed) ;
//Create 15 sprites from 6 gif
// files.
for (int cnt = 0; cnt < 15; cnt++)
if (cnt == 0)
Point position = new Point(
backGroundImage.getWidth(this)/2-gifImages[0].getWidth(this)/2,
backGroundImage.getHeight(this)/2-gifImages[0].getHeight(this)/2) ;
spriteManager.addSprite(makeSprite(position, 0, false));
else
Point position = spriteManager.
getEmptyPosition(new Dimension(gifImages[0].getWidth(this),
gifImages[0].getHeight(this)));
if (cnt < difficulty)
spriteManager.addSprite(makeSprite(position, 1, true));
else
spriteManager.addSprite(makeSprite(position, 2, true));
}//end for loop
time = System.currentTimeMillis();
while (!spriteManager.getFinishedStage() && !spriteManager.getGameOver())
// Loop, sleep, and update sprite
// positions once each 83
// milliseconds
spriteManager.update();
repaint();
try
time += animationDelay;
Thread.sleep(Math.max(0,time - System.currentTimeMillis()));
catch (InterruptedException e)
System.out.println(e);
}//end catch
}//end while loop
if (spriteManager.getGameOver())
message = 4 ;
while (message != 0)
spriteManager.update();
repaint();
try
time += animationDelay;
Thread.sleep(Math.max(0,time - System.currentTimeMillis()));
catch (InterruptedException e)
System.out.println(e);
}//end catch
you_lose = true ;
if (spriteManager.getFinishedStage())
message = 2 ;
while (message != 0)
spriteManager.update();
repaint();
try
time += animationDelay;
Thread.sleep(Math.max(0,time - System.currentTimeMillis()));
catch (InterruptedException e)
System.out.println(e);
}//end catch
} // end for difficulty loop
} // end for max_speed
} // end infinite loop
}//end run method
private Sprite makeSprite(Point position, int imageIndex, boolean wind)
return new Sprite(
this,
gifImages[imageIndex],
position,
new Point(rand.nextInt() % 5,
rand.nextInt() % 5),
wind);
}//end makeSprite()
//Overridden graphics update method
// on the Frame
public void update(Graphics g)
//Create the offscreen graphics
// context
if (offScreenGraphicsCtx == null)
offScreenImage = createImage(getSize().width,
getSize().height);
offScreenGraphicsCtx = offScreenImage.getGraphics();
}//end if
if (message == 0)
// Draw the sprites offscreen
spriteManager.drawScene(offScreenGraphicsCtx);
else if (message == 1)
pressStartSprite.drawSpriteImage(offScreenGraphicsCtx);
else if (message == 2)
NextStageSprite.drawSpriteImage(offScreenGraphicsCtx);
else if (message == 3)
GamePausedSprite.drawSpriteImage(offScreenGraphicsCtx);
else if (message == 4)
YouLoseSprite.drawSpriteImage(offScreenGraphicsCtx);
// Draw the scene onto the screen
if(offScreenImage != null)
g.drawImage(offScreenImage, 0, 0, this);
}//end if
}//end overridden update method
//Overridden paint method on the
// Frame
public void paint(Graphics g)
//Nothing required here. All
// drawing is done in the update
// method above.
}//end overridden paint method
// Methods to handle Keyboard event
public void keyPressed(KeyEvent evt)
int key = evt.getKeyCode(); // Keyboard code for the pressed key.
if (key == KeyEvent.VK_SPACE)
if (message != 0)
message = 0 ;
else
message = 3 ;
if (key == KeyEvent.VK_LEFT)
if (spriteManager != null)
spriteManager.goLeft() ;
else if (key == KeyEvent.VK_RIGHT)
if (spriteManager != null)
spriteManager.goRight() ;
else if (key == KeyEvent.VK_UP)
if (spriteManager != null)
spriteManager.goUp() ;
else if (key == KeyEvent.VK_DOWN)
if (spriteManager != null)
spriteManager.goDown() ;
if (spriteManager != null)
spriteManager.setMessage(message) ;
public void keyReleased(KeyEvent evt)
public void keyTyped(KeyEvent e)
char key = e.getKeyChar() ;
//~ if (key == 's')
//~ stop = true ;
//~ else if (key == 'c')
//~ stop = false ;
//~ spriteManager.setStop(stop) ;
}//end class Balls
//===================================//
class BackgroundImage
private Image image;
private Component component;
private Dimension size;
public BackgroundImage(
Component component,
Image image)
this.component = component;
size = component.getSize();
this.image = image;
}//end construtor
public Dimension getSize(){
return size;
}//end getSize()
public Image getImage(){
return image;
}//end getImage()
public void setImage(Image image){
this.image = image;
}//end setImage()
public void drawBackgroundImage(Graphics g)
g.drawImage(image, 0, 0, component);
}//end drawBackgroundImage()
}//end class BackgroundImage
//===========================
class SpriteManager extends Vector
private BackgroundImage backgroundImage;
private boolean finished_stage = false ;
private boolean game_over = false ;
private int difficulty ;
private int max_speed ;
public boolean getFinishedStage()
finished_stage = true ;
for (int cnt = difficulty ; cnt < size(); cnt++)
Sprite sprite = (Sprite)elementAt(cnt);
if (!sprite.getEaten())
finished_stage = false ;
return finished_stage ;
public boolean getGameOver() {return game_over ;}
public void setParameters(int diff, int speed)
difficulty = diff ;
max_speed = speed ;
finished_stage = false ;
game_over = false ;
Sprite sprite;
for (int cnt = 0;cnt < size(); cnt++)
sprite = (Sprite)elementAt(cnt);
sprite.setSpeed(max_speed) ;
public SpriteManager(BackgroundImage backgroundImage)
this.backgroundImage = backgroundImage ;
}//end constructor
public Point getEmptyPosition(Dimension spriteSize)
Rectangle trialSpaceOccupied = new Rectangle(0, 0,
spriteSize.width,
spriteSize.height);
Random rand = new Random(System.currentTimeMillis());
boolean empty = false;
int numTries = 0;
// Search for an empty position
while (!empty && numTries++ < 100)
// Get a trial position
trialSpaceOccupied.x =
Math.abs(rand.nextInt() %
backgroundImage.
getSize().width);
trialSpaceOccupied.y =
Math.abs(rand.nextInt() %
backgroundImage.
getSize().height);
// Iterate through existing
// sprites, checking if position
// is empty
boolean collision = false;
for(int cnt = 0;cnt < size(); cnt++)
Rectangle testSpaceOccupied = ((Sprite)elementAt(cnt)).getSpaceOccupied();
if (trialSpaceOccupied.intersects(testSpaceOccupied))
collision = true;
}//end if
}//end for loop
empty = !collision;
}//end while loop
return new Point(trialSpaceOccupied.x, trialSpaceOccupied.y);
}//end getEmptyPosition()
public void update()
Sprite sprite;
// treat special case of sprite #0 (the player)
sprite = (Sprite)elementAt(0);
sprite.updatePosition() ;
int hitIndex = testForCollision(sprite);
if (hitIndex != -1)
if (hitIndex < difficulty)
{ // if player collides with an hunter (red ball), he loose
sprite.setEaten() ;
game_over = true ;
else
// if player collides with an hunted (green ball), he eats the green
((Sprite)elementAt(hitIndex)).setEaten() ;
//Iterate through sprite list
for (int cnt = 1;cnt < size(); cnt++)
sprite = (Sprite)elementAt(cnt);
//Update a sprite's position
sprite.updatePosition();
//Test for collision. Positive
// result indicates a collision
hitIndex = testForCollision(sprite);
if (hitIndex >= 0)
//a collision has occurred
bounceOffSprite(cnt,hitIndex);
}//end if
}//end for loop
}//end update
public void setMessage(int message)
Sprite sprite;
//Iterate through sprite list
for (int cnt = 0;cnt < size(); cnt++)
sprite = (Sprite)elementAt(cnt);
//Update a sprite's stop status
sprite.setMessage(message);
}//end for loop
}//end update
public void goLeft()
Sprite sprite = (Sprite)elementAt(0);
sprite.goLeft() ;
public void goRight()
Sprite sprite = (Sprite)elementAt(0);
sprite.goRight() ;
public void goUp()
Sprite sprite = (Sprite)elementAt(0);
sprite.goUp() ;
public void goDown()
Sprite sprite = (Sprite)elementAt(0);
sprite.goDown() ;
private int testForCollision(Sprite testSprite)
//Check for collision with other
// sprites
Sprite sprite;
for (int cnt = 0;cnt < size(); cnt++)
sprite = (Sprite)elementAt(cnt);
if (sprite == testSprite)
//don't check self
continue;
//Invoke testCollision method
// of Sprite class to perform
// the actual test.
if (testSprite.testCollision(sprite))
//Return index of colliding
// sprite
return cnt;
}//end for loop
return -1;//No collision detected
}//end testForCollision()
private void bounceOffSprite(int oneHitIndex, int otherHitIndex)
//Swap motion vectors for
// bounce algorithm
Sprite oneSprite = (Sprite)elementAt(oneHitIndex);
Sprite otherSprite = (Sprite)elementAt(otherHitIndex);
Point swap = oneSprite.getMotionVector();
oneSprite.setMotionVector(otherSprite.getMotionVector());
otherSprite.setMotionVector(swap);
}//end bounceOffSprite()
public void drawScene(Graphics g)
//Draw the background and erase
// sprites from graphics area
//Disable the following statement
// for an interesting effect.
backgroundImage.drawBackgroundImage(g);
//Iterate through sprites, drawing
// each sprite
for (int cnt = 0;cnt < size(); cnt++)
((Sprite)elementAt(cnt)).drawSpriteImage(g);
}//end drawScene()
public void addSprite(Sprite sprite)
addElement(sprite);
}//end addSprite()
}//end class SpriteManager
//===================================//
class Sprite
private Component component;
private Image image;
private Rectangle spaceOccupied;
private Point motionVector;
private Rectangle bounds;
private Random rand;
private int message = 0 ; // number of message currently displayed (0 means "no message" = normal game)
private int max_speed = 7 ;
private boolean eaten = false ; // when a green sprite is eaten, it is no longer displayed on screen
private boolean wind = true ;
private boolean go_left = false ;
private boolean go_right = false ;
private boolean go_up = false ;
private boolean go_down = false ;
public Sprite(Component component,
Image image,
Point position,
Point motionVector,
boolean Wind
//Seed a random number generator
// for this sprite with the sprite
// position.
rand = new Random(position.x);
this.component = component;
this.image = image;
setSpaceOccupied(new Rectangle(
position.x,
position.y,
image.getWidth(component),
image.getHeight(component)));
this.motionVector = motionVector;
this.wind = Wind ;
//Compute edges of usable graphics
// area in the Frame.
int topBanner = ((Container)component).getInsets().top;
int bottomBorder = ((Container)component).getInsets().bottom;
int leftBorder = ((Container)component).getInsets().left;
int rightBorder = ((Container)component).getInsets().right;
bounds = new Rectangle( 0 + leftBorder, 0 + topBanner
, component.getSize().width - (leftBorder + rightBorder)
, component.getSize().height - (topBanner + bottomBorder));
}//end constructor
public void setMessage(int message_number)
message = message_number ;
public void setSpeed(int speed)
max_speed = speed ;
public void goLeft()
go_left = true ;
public void goRight()
go_right = true ;
public void goUp()
go_up = true ;
public void goDown()
go_down = true ;
public void setEaten()
eaten = true ;
setSpaceOccupied(new Rectangle(4000,4000,0,0)) ;
public boolean getEaten()
return eaten ;
public Rectangle getSpaceOccupied()
return spaceOccupied;
}//end getSpaceOccupied()
void setSpaceOccupied(Rectangle spaceOccupied)
this.spaceOccupied = spaceOccupied;
}//setSpaceOccupied()
public void setSpaceOccupied(
Point position){
spaceOccupied.setLocation(
position.x, position.y);
}//setSpaceOccupied()
public Point getMotionVector(){
return motionVector;
}//end getMotionVector()
public void setMotionVector(
Point motionVector){
this.motionVector = motionVector;
}//end setMotionVector()
public void setBounds(Rectangle bounds)
this.bounds = bounds;
}//end setBounds()
public void updatePosition()
Point position = new Point(spaceOccupied.x, spaceOccupied.y);
if (message != 0)
return ;
//Insert random behavior. During
// each update, a sprite has about
// one chance in 10 of making a
// random change to its
// motionVector. When a change
// occurs, the motionVector
// coordinate values are forced to
// fall between -7 and 7. This
// puts a cap on the maximum speed
// for a sprite.
if (!wind)
if (go_left)
motionVector.x -= 2 ;
if (motionVector.x < -15)
motionVector.x = -14 ;
go_left = false ;
if (go_right)
motionVector.x += 2 ;
if (motionVector.x > 15)
motionVector.x = 14 ;
go_right = false ;
if (go_up)
motionVector.y -= 2 ;
if (motionVector.y < -15)
motionVector.y = -14 ;
go_up = false ;
if (go_down)
motionVector.y += 2 ;
if (motionVector.y > 15)
motionVector.y = 14 ;
go_down = false ;
else if(rand.nextInt() % 7 == 0)
Point randomOffset =
new Point(rand.nextInt() % 3,
rand.nextInt() % 3);
motionVector.x += randomOffset.x;
if(motionVector.x >= max_speed)
motionVector.x -= max_speed;
if(motionVector.x <= -max_speed)
motionVector.x += max_speed ;
motionVector.y += randomOffset.y;
if(motionVector.y >= max_speed)
motionVector.y -= max_speed;
if(motionVector.y <= -max_speed)
motionVector.y += max_speed;
}//end if
//Move the sprite on the screen
position.translate(motionVector.x, motionVector.y);
//Bounce off the walls
boolean bounceRequired = false;
Point tempMotionVector = new Point(
motionVector.x,
motionVector.y);
//Handle walls in x-dimension
if (position.x < bounds.x)
bounceRequired = true;
position.x = bounds.x;
//reverse direction in x
tempMotionVector.x = -tempMotionVector.x;
else if ((position.x + spaceOccupied.width) > (bounds.x + bounds.width))
bounceRequired = true;
position.x = bounds.x +
bounds.width -
spaceOccupied.width;
//reverse direction in x
tempMotionVector.x =
-tempMotionVector.x;
}//end else if
//Handle walls in y-dimension
if (position.y < bounds.y)
bounceRequired = true;
position.y = bounds.y;
tempMotionVector.y = -tempMotionVector.y;
else if ((position.y + spaceOccupied.height)
> (bounds.y + bounds.height))
bounceRequired = true;
position.y = bounds.y +
bounds.height -
spaceOccupied.height;
tempMotionVector.y =
-tempMotionVector.y;
}//end else if
if(bounceRequired)
//save new motionVector
setMotionVector(
tempMotionVector);
//update spaceOccupied
setSpaceOccupied(position);
}//end updatePosition()
public void drawSpriteImage(Graphics g)
if (!eaten)
g.drawImage(image,
spaceOccupied.x,
spaceOccupied.y,
component);
}//end drawSpriteImage()
public boolean testCollision(Sprite testSprite)
//Check for collision with
// another sprite
if (testSprite != this)
return spaceOccupied.intersects(
testSprite.getSpaceOccupied());
}//end if
return false;
}//end testCollision
}//end Sprite class
//===================================//
Thanks for your help...

Sorry,
Can you tell me how do you solve it because I have got the same problem.
Can you indicate me the topic where did you find solution.
Thank in advance.

Turning a Java applett into a *.exe

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