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I extracted a jar file and opened the source code in intelliJ. The directories are filled with .class files. The problem is that there is no run button. How can I run the project in intelliJ? I tried going straight to the directory with the class file containing the main method and running it from the command line but I get a main class not found error.

Jonathan
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  • There is no "project" per se, because you just have a bunch of compiled byte code files. What was your end goal in unzipping the JAR file? – Tim Biegeleisen Sep 22 '20 at 07:42
  • That's not source code what you find in JAR files. – tevemadar Sep 22 '20 at 07:43
  • @tevemadar Yes. Your answer answers my question. Thanks a lot. – Jonathan Sep 22 '20 at 11:32
  • @TimBiegeleisen The reason I unzipped the JAR file was to obtain its source code. Reverse engineering in other words. I'm looking at the .class files and I see some source code. I thought I would be able to run that to get back the original software. – Jonathan Sep 22 '20 at 11:34

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