1 2 Previous Next 20 Replies Latest reply: Apr 20, 2007 8:22 AM by 807596 RSS

    Exception in thread "main" java.lang.UnsupportedClassVersionError:  HelloWo

    807596
      Ive followed the First cup of java Tutorial exactly, double and triple checking, and it works up until i run the app with
      java HellWorldApp
      this is the exact message

      Exception in thread "main" java.lang.UnsupportedClassVersionError: HelloWorldApp
      (Unsupported major.minor version 49.0)'
      then a bunch of java.lang, java.net,ect, lines come up

      i have J2SE SDk 1.4.0_2_2005Q2windows
        1 2 Previous Next