EJB
session (stateful and stateless)
Message driven beans
Async local session in ejb lite
nonpersistent timers in ejb lite
Java Servlets
Nonblocking IO - for scalablity
http protocol upgrade
JSF
the UI framework for the web apps supports many features like
rendering, input validation, event handling, data conversion, page navigation,
EL and new ones like HTML 5, Faces flows, resource libraries..
JSP
JSTL (tag libraries)
Java Persistent API
JAX-RS - Java API for RESTful services
Managed Beans
Dependancy injection for Java and Java EE
Bean Validation
JMS
Java EE Connector Architecture
JavaMail API
JAAC - Java Authorization Contract for Container
JASPIC - Java Aithentication Service Provider for Continers
Java API for WebSocket
JSON-P - Java API for JSON processing
Concurrency Utilities for Java EE
Batch Applications for Java Platform
JDBC
JNDI
JavaBeanc Activation Framework
JAXP
JAXB (Java Architecture for XML binding)
JAX-WS
SAAJ - SOAP with attachments API for Java
JAAS - Java authentication and authorization service
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