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Asked: 2026-06-05T19:00:28+00:00

I have a program that I want to distribute, without giving the source code

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I have a program that I want to distribute, without giving the source code or database used. It’s an sqlite database, and doesn’t need to be updated. I tried using eclipse fatjar and changing where to look for the jar, but when I run the program, it just creates a blank database file in the same directory as the jar. I just want one file that I can distribute.

From comments deemed relevant:

..include an XML after tested with a TXT file.

I would, but this database is 80,000 lines long, and has 4 columns. It’s only going to get bigger too, with updates to the program, not during runtime.

Put it on a server and have a web interface.

I want to avoid using any internet connection really. If someone wants to decompile the jar, whatever I don’t care. I just want it to work from double click, and no extra files laying around.

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  1. Editorial Team

    (deployment) ..usability and neatness is important for me

    That makes me think that what is really needed for this is a cross-platform installer. The user gets one file and double clicks it, ‘follows the prompts’ (if any prompts are required) & it extracts the app. ready for use.

    It might create multiple files, but this will be largely invisible to the end user. ‘Out of site is out of mind’.

    I want to avoid using any internet connection..

    I recommend you rethink that. What size does the app. come to when Jar’d? A couple of megabytes? That is nothing in this day and age of internet traffic. That’s a 2 minute YouTube.

    The ratio of devices having internet connections to machines having (for example) CD/DVD drives to load software is also changing. It is coming to a time when more machines capable of running J2SE have internet connections than have drives. I have a desktop PC and a Netbook that can both run J2SE. Both have an internet connection, but only the desktop PC has CD/DVD drives.

    If that is the case (getting to my point) look to Java Web Start to deploy the app. and DB. Very user friendly, with good desktop integration.

    it’s about 50mb, but the problem is not all end users will have access to internet at all times. Distributing the application can be done through the internet, but I don’t want to rely on it for accessing the database or loading the application all together.

    That is not necessary. JWS caches the application resources locally. It will check the server for updated Jars, but can be configured to allow launch from the cached copy even if there is no internet connection at that moment. The launch file element to configure that would look something like:

    <update check="always" policy="prompt-run">
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