What Is J2ee?

J2EE stands for Java 2, Enterprise Edition. J2EE was known as being the industry standard for building next-generation web applications and implementing enterprise-class service-oriented architecture (SOA). Read on for more information on the current version of Java Platform, Enterprise Edition. Schools offering Computer Programming degrees can also be found in these popular choices.

Java EE Overview

The most current version of Java EE, as of February 2014, is Java EE 7. However, the purpose behind both J2EE and Java EE 7 remains largely the same. Both are programming languages that allow developers to create enterprise applications that are scalable and portable. These applications are then able to easily integrate with other applications. Support for HTML5 is the main driver for the improvements made in this Java EE 7 release. This version also introduces new methods for handling enterprise demands and includes refinements to help with developer productivity.

New Components in J2EE 7

Concurrency Utilities Provide APIs (application programming interfaces) that offer a more standardized and safer way to support developers' ability to create applications in parallel
WebSocket API Enhances communication by providing both client and server endpoints
JSON Processing JavaScript Object Notation (JSON), which provides a format for data exchange and uses an object model or streaming model to help users navigate and analyze JSON data
Batch Applications Standardizes the process for performing batch jobs by incorporating a job specification language and APIs for batch runtime and batch artifacts

Other Enhancements

Enterprise JavaBeans, which is a server-based technology for use in an enterprise environment and was enabled to deliver various program components, also saw some enhancements. Non-persistent timers and local session beans that enable messages to be received asynchronously were introduced in the latest version. The JavaServer Faces technology, which is used to build web applications, added Faces Flows in version 7. This new feature is used for creating multiple pages in a series within a defined scope. The newest version also simplified the Java Message Service API and updated the HTTP protocol for Java Servlet technology.

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