Java Spring Spring boot spring MVC spring annotations and spring core Azure

• Java Servlets
• JavaServer Pages (JSP)
• Enterprise JavaBeans (EJB)
• Java Message Service (JMS)
• Java Naming and Directory Interface (JNDI)
• Java Database Connectivity (JDBC)
• JavaMail
• Java Transaction Service (JTS)
• Java Transaction API (JTA)
• J2EE Connector Architecture (J2EE-CA, or JCA)

From a developer perspective, the main technologies are EJB, JSP, Java Servlets, JDBC, and JMS, although JNDI is used for locating EJBs and other enterprise resources. For the moment, let's take a quick look at some of these technologies before moving on to see how to get started with J2EE.

2EE (Java Enterprise Edition ) is comprised of many APIs that can be used to build enterprise applications. Although the total list of APIs initially seems overwhelming, it is worth bearing in mind that some are primarily used by the J2EE environment in which your application executes, while some provide services that your specific application may not require. Therefore, it is worth remembering that you don't have to use all of them in order to build J2EE applications. For completeness, however, the full list of technologies that make up J2EE is as follow