How to deploy a JME project as executable with the integrated JVM using JME 3.6 and above?

You can but it makes very little sense. Very little. A president would not in any circumstances consider you an applicant for any medal or title after that. Actually I’m pretty sure one could even lose their citizenship if converting from Gradle to Ant.

Well, I googled for you. Please try some of these existing solutions other people use:

Essentially these point to same solutions. But you’ll get the point.