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@@ -479,5 +479,17 @@ The \textbf{Java Naming \& Directory Interface} is used to find an object.
 The resource (e.g., a bean) is associated with a nickname when deploying; clients of this bean can then use this nickname to look up the resource across a deployment.
 The client code looks up the reference in JNDI and calls business methods on the EJB object.
 
+\subsubsection{Entity EJBs}
+\textbf{Entity EJBs} are object-based representations of information-tier data such as data stored in a relational database.
+They represent a particular unit of data, e.g., a record in a database.
+There are two types of entity EJB:
+\begin{itemize}
+    \item   Bean-managed persistence;
+    \item   Container-managed persistence.
+\end{itemize}
+
+
+
+
 
 \end{document}