Java installer file (.EXE)

Hello everyone,

Can I create installer or .EXE file using java pogram?

for example if I had create "Hello world file" in java,

when I clicked on computer it will display "hello world.." on window

please tell me

Thank you

You can create an executable jar that will run when you double click it.

Or you can distribute your application over the network using Java Web Start.

gong pex wrote:Can I create installer or .EXE file using java pogram?

If you go the exe route your application will be limited only to the windoze OS. The correct way is to have a self executable jar or JWS as suggested.

Use "Exe4j" software.. Hope it helps

Hebert Coelho wrote:You can create an executable jar that will run when you double click it.

I had create .jar file, but when I double click it, windows alert appear and it written: "A Java Exception has occurred"

so, what's wrong?

(about .EXE thank's for reply I'll try it later)

please answer me

Thank you

Open a command line window, go to the directory where your JAR file is located at, and execute java -jar XXX.jar. This will show you the exception stack trace that's being suppressed when you double click the JAR file.

No longer a “beginning” question. Moving.

Campbell Ritchie wrote:No longer a “beginning” question. Moving.

I had tried it, but it still cannot,

here the results :

D:\javacourse>java -jar HelloWorldSwing.jar
Exception in thread "main" java.lang.NullPointer.Exception
at sun.launcher.LauncherHelper.getMainClassFromJar(Unknown Source)
at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)

please tell me the mistake.

Thank you

I am also working on jar files with my application. As far as I understand it, the JVM needs to know which class holds the main method. Have you done this?

You do this by including a manifest.txt file which holds an entry like this

Source [0]

This is one way of setting the entry class. You can also do it when you create the jar file. When you pass e when creating the jar file, it points to the entry point in your application:

Hope that helps.

[0]: http://download.oracle.com/javase/tutorial/deployment/jar/appman.html

@Gong - Did you copy the Exception the same way. I see a "." between the NullPointer and Exception strings. Was the line of code that created listed in the trace?

Exception in thread "main" java.lang.NullPointer.Exception

Adam Cripps wrote:I am also working on jar files with my application. As far as I understand it, the JVM needs to know which class holds the main method. Have you done this?

You do this by including a manifest.txt file which holds an entry like this

Main-Class: classname

Source [0]

This is one way of setting the entry class. You can also do it when you create the jar file. When you pass e when creating the jar file, it points to the entry point in your application:

jar cfe app.jar MyApp MyApp.class

Hope that helps.

[0]: http://download.oracle.com/javase/tutorial/deployment/jar/appman.html

I had create it on notepad like this:

later I save it using name "JHomeView.txt" file and

I put it into "jar file" using command:

That's all that I have do

gong pex wrote:

Adam Cripps wrote:I am also working on jar files with my application. As far as I understand it, the JVM needs to know which class holds the main method. Have you done this?

You do this by including a manifest.txt file which holds an entry like this

Main-Class: classname

I had create it on notepad like this:

Main-class:JHomeView

I think it may be important that Adam suggested your manifest should contain a "Main-Class" entry, but your manifest doesn't. It contains a "Main-class" entry, which might well be considered as different. Unless perhaps case isn't significant -- the tutorial would certainly say so, if that's the case. Does it?

Paul Clapham wrote:

gong pex wrote:

Adam Cripps wrote:I am also working on jar files with my application. As far as I understand it, the JVM needs to know which class holds the main method. Have you done this?

You do this by including a manifest.txt file which holds an entry like this

Main-Class: classname

I had create it on notepad like this:

Main-class:JHomeView

I think it may be important that Adam suggested your manifest should contain a "Main-Class" entry, but your manifest doesn't. It contains a "Main-class" entry, which might well be considered as different. Unless perhaps case isn't significant -- the tutorial would certainly say so, if that's the case. Does it?

I had tried to repair based on Adam's advice but the results still same, I don't know what I must do

___________________________________________________________________________________

Today I had tried to convert .java file to .exe file using iexpress

because I had despair to tried using .jar (because always failed)

but the results it's same too, even my computer is stuck,

can someone tell me how to convert it?(I hope I can use free software)

Thanks

Does that mean you tried to fix it along the lines of what Paul suggested, or does that mean you determined that that would not make a difference?

I understand what Paul meant,

Thanks for answer