The Java Standard Edition (Java SE) platform serves as a base for Java EE. It provides a runtime environment and API for generating and organizing consistent, scalable, safe and extensive network applications.
From the time of its early release in 1999, Java EE has grown into a platform to offer high performance and rich functionality. Its latest releases have emphasized on ease of use and simplicity.
The J2EE architecture comprises of the following four significant elements:
· J2EE Platform comprise of the required APT’s , for example, Java Message Service (JMS) and Java servlets
· J2EE Application Programming Model aids the process of developing multi-tier applications.
· The J2EE Reference Implementation gives details on the capabilities of J2EE along with its functional definition.
· The J2EE Compatibility Test Suite makes sure that products of J2EE are well suited with the standards of the platform
J2EE Key Features and services
· J2EE supports Java applications, applets and Pure HTML as well. It creates HTML client data depending on servlet code and Java server pages.
· EJB’s, also known as Enterprise Java Beans provides a layer, wherein the logic of the platform is saved. Memory management, security and concurrency are the some of the functions provided by EJB.
· JDBC or Java Database Connectivity is the standard communication for java databases
· Java servlet API improves consistency for developers, without the necessity of graphical user interface
For More Info: http://www.utsin.com/java-enterprise-edition/
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