Hey Florian, not javac, but ModiTect allows you to specify the main class when defining module descriptors:
https://github.com/moditect/moditect#adding-a-module-descriptor-to-the-project-jar --Gunnar Am So., 31. Mai 2020 um 19:32 Uhr schrieb Florian Weimer <f...@deneb.enyo.de>: > > Is it possible to instruct javac to generate a ModuleMainClass > attribute via a module declaration? I can't find the appropriate > syntax in the JLS. If there is no way to get javac to generate the > attribute, what is the reason for that?