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

      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
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