Run a Java program from a .exe

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June 19th, 2009, 04:22 PM

spyder0101

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Run a Java program from a .exe

Is there any way to get a Java program to execute from a .exe file? I'm trying to package a Java program so that I can just click on it to run it, and more importantly my dad can just click on it to run it. I don't care if it actually compiles the program to machine code (I'm not sure that is possible) or simply hides the details of the execution.

June 19th, 2009, 04:49 PM

Yawmark

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Google for "executable JAR".

~

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prometheuzz agrees: Indeed, an executable JAR is genrally "better" (easier) than converting to an EXE

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class Sig{public static void main(String...args){\u0066or(int
\u0020$:"vÌÈÊ\"¤¾ÀÊ²¬Æ\"v¤Î¤\"²¤¨¸¬Æ".to\u0043h\u0061rArray()
)System./*goto/*$/%\u0126//^\u002A\u002Fout.print((char)(($>>
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June 19th, 2009, 05:10 PM

spyder0101

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Perfect. Thanks.

June 20th, 2009, 12:11 AM

vaza santosh

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see ,it is possible to develop OR convert java .Class files to .exe files .many softwares are available on internet you can easily download them it is fast and easy as they are in very small size. you can use search engins such as "google","wikipedia","yaho".... just you can use"conveting jar to exe" OR "converting .class to exe" you will get result.
i think you new to java programming.
!!!!!! wish you HAPPY PROGRAMMING !!!!!!!!!

Comments on this post

tvc3mye disagrees: There is no point converting the jar file to an exe. If one ever need to do so, it is much better if
you rewrite the thing in C/C++

June 20th, 2009, 12:55 AM

tvc3mye

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Manifest file

Basically it is simply to add a line in the manifest file.

Just add a line in the manifest file like below to make the jar file executable:

Main-Class: <full class name >

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June 20th, 2009, 08:22 AM

prometheuzz

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Quote:

Originally Posted by tvc3mye

Basically it is simply to add a line in the manifest file.

Just add a line in the manifest file like below to make the jar file executable:

Main-Class: <full class name >

@OP:

... and end with a new line in the manifest file!

More info:
http://www.cs.princeton.edu/introcs...on/jar/jar.html (short)
http://java.sun.com/docs/books/tutorial/deployment/jar/ (thorough)

June 20th, 2009, 08:24 AM

vaza santosh

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disagrees

what ever you said is right but what i am saying is that you want a self running programme.
.class-exe OR .jar-.exe converters just pack your class or jar files they onle do is that the execute your class or jar files in exe files.you will always need java runtime environment where ever you use java.
just try it i have tried it numerous times you will get whatever you expect.C C++ is different thing in this.dont merge.
jarto only exe.it will always need jre.

June 26th, 2009, 04:48 PM

spyder0101

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Code:

D:\Export Zips>java -jar DrainageNetworkVisualizer2.jar
Exception in thread "main" java.lang.NoClassDefFoundError: com/hp/hpl/jena/rdf/m
odel/RDFNode
        at DrainageNetworkVisualizer.main(DrainageNetworkVisualizer.java:33)
Caused by: java.lang.ClassNotFoundException: com.hp.hpl.jena.rdf.model.RDFNode
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClassInternal(Unknown Source)
        ... 1 more

This is the error I get when trying to execute it. I've read through the tutorials listed here and a few others but I am still getting the error. It seems that JBuilder is not including the 3rd-party jars when it is packing my jar. How do I get it to include them?

EDIT: It is working now, but I had to add ~50 external jars to the manifest's classpath and package the whole thing into a zip file. Is there any way to distribute that as a single executable .jar?

Last edited by spyder0101 : June 26th, 2009 at 05:24 PM.

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