21 Oracle Application Server Containers for J2EE

Oracle Application Server Containers for J2EE (OC4J) is a J2EE 1.3 compatible server that is fast, lightweight, and scalable. OC4J runs on the Java 2 Standard Edition (J2SE) and executes J2EE application components such as containers that are written in Java and run on a standard Java Virtual Machine (JVM).

OC4J runs and manages such application components as:

Servlets: OC4J provides a servlet container that manages the execution of Web components and J2EE applications.
JSPs: OC4J provides the JSP translator needed to convert JSP files into Java source that the container can then compile and execute as a servlet.
EJBs: OC4J provides the EJB container that manages the execution of enterprise beans for J2EE applications.

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