Java EE Applications

Java EE applications are made up of components such as JavaServer Pages (JSP), Java servlets, and Enterprise JavaBeans (EJB) modules. These components enable software developers to build large-scale, distributed applications. Developers package Java EE applications in Java Archive (JAR) files (similar to zip files), which can be distributed to production sites. Administrators install Java EE applications onto the Application Server by deploying Java EE JAR files onto one or more server instances (or clusters of instances).

The following figure illustrates the components of the Java EE platform discussed in the following sections.

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