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  1. #1
    Registered User
    Join Date
    Mar 2003
    Posts
    1

    How can I transform java into jar files and create jad files?

    How can I transform java into a jar files or create a jad file?
    Can i only use the j2me for this and how?

    Am I right that the jad and jar file have to be in the Nokia PCSuite 5.0 folder so that the ApplicationInstaller can recognize and install these files?

    Im an absolute Rookie, so thanks for helping!

  2. #2
    Regular Contributor
    Join Date
    Mar 2003
    Location
    Irving, Texas, USA
    Posts
    419

    RE: How can I transform jar into jad files?

    Hello,

    JAD (Java Application Descriptor) file is used mainly for OTA (Over-the-Air) download of MIDlets. Nokia PC Suite Application Installer also uses information in JAD file. JAD file is a plain text file which explains the major parameters of a MIDlet. There are five required paramets and a few commonly used optional ones.

    JAR (Java Archive) is a file which contains MIDlet class file, other classes referred to by MIDlet and resource files. It also contains Manifest.mf text file, which has mostly the same information as JAD file.

    JAD and/or Manifest are used by JAM (Java Application Manger) in the phone to check that the MIDlet is valid and to fetch the JAR and install the application.

    Basically JAR and JAD don't need to be in the same directory as JAD contains parameter "MIDlet-Jar-URL: MyMidlet.jar". This parameter tells JAM where JAR file can be found. Most commonly they are in the same directory.

    Regards,

    Petteri / Forum Nokia

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