[titzer]

Indeed, JARs are just ZIP files (and can even be uncompressed), so this trick works to make self-executable JAR files that consist of a shell script concatenated with the actual JAR.

https://blog.frankel.ch/creating-self-contained-executable-j...

https://coderwall.com/p/ssuaxa/how-to-make-a-jar-file-linux-...