How to build JARs from IntelliJ IDEA properly?

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Instructions:

File -> Project Structure -> Project Settings -> Artifacts -> Click + (plus sign) -> Jar -> From modules with dependencies...

Select a Main Class (the one with main() method) if you need to make the jar runnable.

Select Extract to the target Jar

Click OK

Click Apply/OK

The above sets the “skeleton” to where the jar will be saved to. To actually build and save it do the following:

Build -> Build Artifact -> Build

Try Extracting the .jar file from:

📦ProjectName
 â”— đź“‚out
   â”— đź“‚artifacts
     â”— đź“‚ProjectName_jar
        â”— đź“śProjectName.jar

References:

  • (Aug 2010) http://blogs.jetbrains.com/idea/2010/08/quickly-create-jar-artifact/ (Here’s how to build a jar with IntelliJ 10)
  • (Mar 2023) https://www.jetbrains.com/help/idea/compiling-applications.html#package_into_jar

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