Java EE is a collection of Java technologies and APIs designed to support “Enterprise” applications. Java EE 8 brings support for Java Servlet 4.0 API with HTTP/2 support, enhanced REST Reactive Client API, a new REST. API, Asynchronous CDI Events, and — most importantly — support for. Java SE 8 new features (like Date and Time API, Streams API, and annotations enhancements) Java EE has moved Java EE to an open-source foundation (Eclipse Foundation)