Java code compiled with the J2SE 1.4.2 works on J2ME, you just have to
make sure the java classes your using are in the J2ME profile. Ex. I
didn't include graphics in my J2ME profile, I'm only using foundation
+ JDBC. So a J2SE java program that uses java.awt wouldn't work on my
J2ME.
lua201068 lead me to this, you might find it helpful:
http://java.sun.com/products/cdc/reference/cdc_packages.pdf
Quoting tedapt <>:
> Thanks,
>
> I'll look further into J2ME. However my code also needs to execute on
> other devices which support the full JDK, I'll have to investigate
> whether moving to J2ME in this case would require me to make changes
> incompatible with the other devices.
>
> --- In "lua201068" <> wrote:
>>
>> JamVM currently only includes an interpreter whereas J2ME/CDC supports
>> a JIT Compiler, which speeds up the code execution
>>
>> --- In justin@ wrote:
>> >
>> > apt-get install jamvm
>> > apt-get install jikes
>> >
>> > These will auto install the binaries, including classpath.
>> >
>> > I couldn't get jamvm to work on ts-linux, plus its much larger. I
> was
>> > able to get J2ME + JDBC working which implements most of SE short
> of a
>> > few minor things like logging (easy work around). I'm finding it
>> > acutally executes my java code much faster and the fact that j2me +
>> > TS-linux only takes up 7MB is a major plus.
>> >
>> > Justin
>> > Quoting tedapt <tedapt@>:
>> >
>> > > Thanks, I'll take 1.4.2 if I can get it! Reading up on
> GNU-classpath,
>> > > it looks like v0.95 supports some Java 1.5 features like
> Generics. I
>> > > suppose to get that I'd have to compile JamVM myself with
>> > > GNU-classpath. Would rather use a pre-existing binary
> distribution if
>> > > one exists though.
>> > >
>> > > Can anyone explain why its not possible to use JamVM on TS-Linux? I
>> > > am using Debian for now as I'm more familiar with it, but had hoped
>> > > eventually to use TS-Linux as it seems more compact (and
>> > > cost-effective w/respect to hardware cost.)
>> > >
>> > > Thanks.
>> > >
>> > > --- In justin@ wrote:
>> > >>
>> > >> Correct, 1.4.2, 1.5 isnt supported yet. If you want a full SE
>> instead
>> > >> of the micro, you have to use Debian instead of TS-Linux, which I
>> > >> believe is what your using. But even so the java port to arm
> is only
>> > >> up to 1.4.2, there are several ports I use jamvm, but all use the
>> > >> GNU-classpath, which is only up to 1.4.2. Hope that helps.
>> > >>
>> > >> http://jamvm.sourceforge.net/
>> > >> http://www.gnu.org/software/classpath/
>> > >>
>> > >> If you need a debian-arm java compilier I recommend:
>> > >> http://jikes.sourceforge.net/
>> > >>
>> > >>
>> > >>
>> > >> Quoting cgraham@:
>> > >>
>> > >> > um, maybe I am wrong, so dont use me as the final source of
> truth.
>> > > its just
>> > >> > what I have eeked out so far.
>> > >> >
>> > >> > from what I have seen in the previous thread it wasnt jdk1.5 that
>> > > was being
>> > >> > proposed as the JVM solution.
>> > >> >
>> > >> > Clay
>> > >> >
>> > >> >
>> > >> > On July 16, 7:10 am "tedapt" <tedapt@> wrote:
>> > >> >> Drat! The folks at embeddedarm told me that it was possible to
>> > > use the
>> > >> >> standard Java SDK with Debian on the TS-7250 (i.e., not J2ME).
>> > >> >> Thought then I could perhaps obtain a Java SDK for ARM/Debian or
>> > >> >> compile from the source code. Will contact embeddedarm for
>> > >> >> clarification, but any comments from other would be appreciated.
>> > >> >>
>> > >> >> --- In <cgraham@> wrote:
>> > >> >> >
>> > >> >> > well this has been the source of a previous thread, and great
>> > >> >> interest by
>> > >> >> > this group. maybe this deserves a wiki/howto?
>> > >> >> >
>> > >> >> > I am sorry to say 1.5 wont be running on a ts-7250 but you
>> may be
>> > >> >> able to
>> > >> >> > configure a java environment that runs something like J2ME.
>> > >> >> >
>> > >> >> > look at:
>> > >> >> >
>> > >> >> > http://tech.groups.yahoo.com/group/ts-7000/message/7536
>> > >> >> >
>> > >> >> > Clay
>> > >> >> >
>> > >> >> >
>> > >> >> > On July 16, 5:57 am "tedapt" <tedapt@> wrote:
>> > >> >> > > I'm new to the TS-7000 series, just bought a TS-7250. Can
>> anyone
>> > >> >> > > point me to instructions on how to get Java 1.5 set up for
>> > >> >> > > Debian? I'm using a 256MB Flash USB with a Debian distro.
>> > >> >> > >
>> > >> >> > > I've been more of a Windows guy, but have reasonable
> general
>> > >> >> > > knowledge of Linux. I think I should be able to do this
>> somehow
>> > >> >> > > with apt-get, but am fuzzy on the details. I'm unclear
>> whether I
>> > >> >> > > should be approaching this as an attempt to build the
>> source vs.
>> > >> >> > > obtain pre-compiled binaries...
>> > >> >> > >
>> > >> >> > > Any help greatly appreciated!
>> > >> >> > >
>> > >> >> >
>> > >> >>
>> > >> >
>> > >> >
>> > >>
>> > >
>> > >
>> > >
>> >
>>
>
>
>
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