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How do ordinary people run my java programs?

Elouise Kivineva
Ranch Hand

Joined: Feb 07, 2002
Posts: 154
If I've written something fun and/or useful how to I package it so an computer beginner can run it? This kind of person won't want to install & confige the jdk and probably couldn't handle the command line anyway.
Isn't there something like a windows shortcut?
Michael Morris
Ranch Hand

Joined: Jan 30, 2002
Posts: 3451
Hi Elouise,
Have you ever heard of a batch file? It's Windows (actually it comes from the days of DOS) version of a UNIX shell script. You may be familiar with a file in the root of the Windows host drive named "Autoexec.bat", which is a batch file that runs at boot time. You can set variables (like CLASSPATH), make flow-of-control choices and execute programs (like java.) Anyway you probably should package your program in a jar file which can be made executable. That way you could start your program with a dialog to capture what you have set up as command line parameters. Then the user can simply double-click the jar file just like any other program.
Hope this helps
Michael Morris
SCJP


Any intelligent fool can make things bigger, more complex, and more violent. It takes a touch of genius - and a lot of courage - to move in the opposite direction. - Ernst F. Schumacher
Tobi McFarland
Greenhorn

Joined: Nov 26, 2001
Posts: 10
Do you know of a tutorial that helps explain how to package java programs as executable batch files? I've always wanted to know the specifics of how this is accomplished.....


Tobi<p>Aspiring Java Jedi
Steve Deadsea
Ranch Hand

Joined: Dec 03, 2001
Posts: 125
I prefer using jar files. Most users can double click on them to start your program. They do require that the user downloads the JRE.
There is a tutorial on how to use jar files at:
http://java.sun.com/docs/books/tutorial/jar/
If you want to see an example, you can use a game I wrote that is packaged in a jar file:
http://ostermiller.org/ladder/
Another way would be to write an applet. An applet can be run in a web browser and most web browsers have some sort of Java installed. Java Webstart can also be used for this purpose. Be aware that such programs run in a security sandbox.
Also there are commercial installers that will package your java application along with a runtime environment. Makes it easy on the user but takes the download up several megabytes and can be expensive.
Tobi McFarland
Greenhorn

Joined: Nov 26, 2001
Posts: 10
Thanks for the info Steve :-D
ryan headley
Ranch Hand

Joined: Jun 28, 2000
Posts: 156
I setup a shortcut to the jar file and have no black dos box either.
I simply use javaw.exe -jar jarfile as the target rather than java.exe -jar jarfile.
works like a charm every time.


Ryan Headley<br /><a href="http://www.sudovi.com" target="_blank" rel="nofollow">http://www.sudovi.com</a>
 
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