JEE

Java Platform, Enterprise Edition

JEE 7 Tutorial

https://docs.oracle.com/javaee/7/tutorial/index.html

Key features: https://blogs.oracle.com/arungupta/entry/java_ee_7_key_features

Reference implementation: https://glassfish.java.net/getstarted.html

Java EE7 APIs: https://docs.oracle.com/javaee/7/tutorial/overview007.htm