I have just completed the development of Zindell Technologies‘ ERP system. It was developed in Java EE. Below you can find few screen shots. A detailed article describing that system was published at www.zindego.com.

Stable Values in Java (JEP 502): Deferred Immutability with JVM Trust
Explore Stable Values – a new Java 25 upcoming feature (JEP 502) enabling lazy initialization with immutable performance and JVM-level optimizations.