J2EE components and simplified solutions

J2ee1.4 references
· Enterprise JavaBeans (EJB) 2.1 has never been used. If you don't want to use it, ignore it.

· Java Servlet 2.4 Servlet
· JavaServer Pages (JSP) 2.0 JSP

· Java data access API (JDBC) 3.0 Java database access API

. Java API for XML Processing (JAXP) 1.2

This package unifies the methods for parsing and processing XM. Classes responsible for parsing can be switched between deployment and runtime. JAXP
1.2 contains sax 2.0, Dom Eve 2, and XST.
· Java Message Service (JMS) 1.1
Java Message Service
· Javamail 1.3 is used to send emails
· Java Naming and Directory Interface (JNDI) 1.2.1 Java namespace Interface
· Java transaction API (JTA) 1.0 Java transaction API
· Java standard tag Library (jstl) 1.1 java standard tag Library

I still don't know much about it.

· J2EE Connector Architecture 1.5
· J2EE Application Deployment 1.1
· J2EE management 1.0
· Java Management Extensions (JMX) 1.2
· Java authorization contract for containers (jacc) 1.0
· JavaBeans activation framework (JAF) 1.0
· Soap with attachments API for Java (SAAJ) 1.2
· Java APIs for XML registries (jaxr) 1.0
· Java API for XML-based PRC (JAX-RPC) 1.1

· Implementing enterprise web services 1.1 (JSR 109)