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How compatible Javelin's Java subset to actual Java — Parallax Forums

How compatible Javelin's Java subset to actual Java

leventlevent Posts: 1
edited 2007-07-16 16:17 in General Discussion
Hello,

I wonder the level of compatibility of Javelin's Java subset to actual JVM implementation and J2SDK.

Actually i want to develop an IDE for robotics which will allow you to develop your controller codes in any language JVM supports. This is possible if the simulator is written in Java since Java has scripting support in version 6. Check following resources for details of scripting support:

http://java.sun.com/developer/technicalArticles/J2SE/Desktop/scripting/
https://scripting.dev.java.net/

So all those languages are supported by Java but what about Javelin? This is important because if Javelin supports this, i can easily upload same compiled controller code to a Javelin powered robot too! I guess i will need to recompile both JSR223api and specific scripting language implementations in Javelin IDE.Do you think this is feasible? If this is not feasible with Javelin, is there any processor which supports Java1.2 or above totally?

Thanks.

Comments

  • Peter VerkaikPeter Verkaik Posts: 3,956
    edited 2007-05-29 21:16
    Javelin java is compatible with java 1.1 and is limited in datatypes
    (natively only 16bit ints and 8bit chars, no floating point), no garbage collection.
    Also, the bytecodes generated for the javelin, must be generated
    by Jikes version 0.47 (supplied with Javelin IDE program).
    For your application, you could consider JStamp http://www.jstamp.com/

    regards peter
  • para6654para6654 Posts: 30
    edited 2007-07-16 13:40
    Peter,



    Are there any plans to enhance the javelin stamp?· J2ME has been out for a while.· Java 1.1 is not getting older.· The subset of java that the Javelin currently supports is somewhat meager.· I like my javelin development board and I would prefer to go with the Javelin stamp kits if they had some of the same Java features of JStamp.



    Let us know what you think.·
  • Peter VerkaikPeter Verkaik Posts: 3,956
    edited 2007-07-16 16:17
    There are currently no plans to change the javelin's firmware.

    regards peter
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