I would like to know if there is any way that I could build a very simple GUI app (it doesn’t even have to look good) that will run on a fresh install of Windows Vista and OS X with no other installations needed by the user. I would perfer not to use Java (just out of personal programming preference). I will use it though, if it is the only way. Specically, I am wondering if I can write a swing app with Scala or Groovy and run in on windows without them having to install anything. Sorry if this is a silly question, I am a Obj-C developer by trade.
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You can pack the Scala jars into your own, which should work as long as Java is installed (which it usually is on a 3rd party vendor install of Vista or OS X). If you use Java web start, no installations are needed beyond Java itself. Plus, if you’re going to install your own code, why not just copy along the Scala jars also?
If you really mean a fresh install–nothing but what the OS provides–then no, I don’t think so.
Edit: You do always have javascript on the browser(s). I assume this won’t cut it for what you want?