Reference implementation of JavaME

[Carl Jokl]

I believe Android went down that route switching from Dalvik to ART for
ahead of time compilation.
The technique could also make client side Java startup performance better
too.

Carl
On Sat, 20 May 2017 at 13:53 Mario Torre <neugens.limasoftware at gmail.com>
wrote:

> 2017-05-20 13:39 GMT+02:00 Ben Evans <benjamin.john.evans at gmail.com>:
> > Hi Carl,
>
> Hi all,
>
> Good luck with this effort, sounds really like a fun project :)
>
> IANAL but I have a small point:
>
> > In terms of general advice, I would suggest that you license this
> > project under the GPL and baseline from OpenJDK 7
>
> + Classpath exception for the class libraries, GPL alone won't be
> appealing since you can't link non GPL code and it's not compatible
> with other OSI licenses either.
>
> I mention that because it is your right to remove the Classpath
> exception from derivative uses, so you should be aware of that and
> understand the license you adopt correctly.
>
> For low resources mobile an AOT VM is probably your best friend.
> Sounds like a fun time to revive GCJ ;)
>
> OpenJDK own AOT is described here: http://openjdk.java.net/jeps/295
>
> > I'm not quite sure which standard(s) you'd need to target, but
> > JSR 139 - https://jcp.org/en/jsr/detail?id=139 might well be a good
> > start.
>
> I may be wrong but I think the last mobile JSR is 361:
> https://jcp.org/en/jsr/detail?id=361
>
> It's a few years I don't work on this anymore though, so I didn't
> follow its development, probably for very low power devices the 139
> maybe a better start, however, if I remember correctly this one is
> based on a stripped down JDK 1.3 or something and at the very least
> you will need to "clean up" all the generics out of the public APIs,
> if I'm not wrong, 361 supports generics.
>
> Cheers,
> Mario
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