Enterprise beans are Java EE components that implement Enterprise
JavaBeans (EJB) technology. Enterprise beans run in the EJB container, a
runtime environment within GlassFish Server (see
Container Types). Although transparent to
the application developer, the EJB container provides system-level
services, such as transactions and security, to its enterprise beans.
These services enable you to quickly build and deploy enterprise beans,
which form the core of transactional Java EE applications.
The following topics are addressed here: