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I have a Runnable JAR file of selenium script forwarded from other location, now I want to use that same script for my project with some minor updates. How to do that? Can we open that in Eclipse and do updates/Edits on JAR File script?

  • If you want to make modifications - you need the sources. Does the JAR file contain sources and do you also have a build script? – Dakshinamurthy Karra Sep 20 '18 at 11:50
  • @DakshinamurthyKarra I have only JAR Files – Promila Sep 21 '18 at 10:35
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Jar file contains java classes - the files which are converted from the source code to the bytecode. You cannot easily change that. There is a way to decompile classes to the source. However:

  • That might not help you even if you're a skilled developer if a bytecode was handled by an obfuscator.
  • Decompilation requires quite a big degree of understanding of what is happening and why. If you are ready to dive deep into that, check this SO post.
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