GNU Java vs. Sun Java: What's the difference, what is better?

David Coldrick coldrick at
Sun Dec 24 17:57:34 UTC 2006

I'll second that. The GNU  Java ain't Java: Java has a detailed testing
process to ensure compatibility with the standard, and gcj has not been thru

Anyway, as someone mentioned in this thread, the question will soon be moot,
as Java is being open-sourced, and gcj will (I suspect) just fade away. In
the meantime, using the multiverse packages (and ensuring that you do a
command-line "update-alternatives --config java" to choose the right one) is
the way to go.


On 12/24/06, Glenn Holmer <gholmer at> wrote:
> On Friday 22 December 2006 13:01, Dotan Cohen wrote:
> > What are the differences between the GNU and Sun Javas? I know that
> > Sun invented Java and that it was just made open source. But what I
> > need to know are what are the differences from a user's perspective?
> The GNU implementation is incomplete, especially as regards Swing (the
> GUI classes):
> --
> Glenn Holmer (Q-Link: ShadowM)
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