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How to create an executable from a Scala project

I started to have fun with scala and I wanted to be able to package and launch a Scala executable.
It is an eclipse project and it is already using Maven for dependency resolution.

I found the following solutions (to confirm)

1. Use SBT as a build tool. SBT seems to support the Maven pom.xml files for dependency resolution.
2. Use Gary Boone's solution by wrapping the Scala project entry point into a Java static main function
3. Use mvn assembly:single plugin as described on stackoverflow


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