Java2 Enterprise Edition Specification, version 1.3, defines an extensible and reliable platform for building high-volume, secure and scalable business Web applications. It defines two types of Web components that can build a J2EE Web application and a runtime environment where they run.
The technology J2EE is in the ring DEPRECATED
The technology J2EE is in the quadrant UI
Was never the recommended UI technology
Successor is Fiori UX