Component model technology: Java Servlet, JavaServer Pages(JSP), Enterprise JavaBeans(EJB).
Web services technology:
- JAXP (Java API for XML Processing),
- JAXR (Java API for XML Registries),
- SAAJ (SOAP with attachment API for Java),
- JAX-RPC (Java API for XML-based RPC),
- JAX-WS (Java API for XML-based Web Services).
Other:
- JDBC (Java Database Connectivity),
- JNDI (Java Naming and Directory Interface),
- JMS (Java Messaging Service),
- JCA (J2EE Connector Architecture),
- JTA (Java Transaction API), JavaMail,
- JAF (JavaBeans Activation Framework – used by JavaMail),
- JAAS (Java Authentication and Authorization Service),
- JMX (Java Management eXtenstions).