Yesterday, you learned about Session beans, and how they provide a service to a specific client.
The major topics that you will be covering today are
How Entity beans represent domain objects, providing services that can be used by all clients
Two types of Entity beans—bean-managed persistence (BMP) and container-managed persistence (CMP)
How EJBs can provide a local interface in addition to their remote interface
Specifying, implementing, configuring, and deploying BMP Entity beans
Configuring and deploying EJBs from the command line rather than using a GUI