For any EJB that you wish to install in an application server, you must supply three Java classes: a bean implementation (for example, BankBean.java), a home interface (for example, BankHome.java ...

In Part 2 of this EJB 3.0 learning series, you learn how to develop data models using POJOs (plain-old Java objects), and how to transparently map those object data models to and from relational ...

EJB 3.1 Singleton Beans are the middleware equivalent of the GOF Singleton pattern. In the Java EE context, they are primarily used to store application-wide shared data. Think about all the times you ...