My article "Modular Java Applications with Apache Maven 4" is out in @javapro.
@ASFMavenProject's Maven 4 introduces the module source hierarchy: several Java modules in one pom.xml — a clean api/core/cli split with real encapsulation, and no multi-module reactor.
https://javapro.io/2026/11/12/modular-java-applications-with-apache-maven-4/
Code: https://github.com/aschemaven/maven-modular-sources-showcases/tree/javapro-1