Creating EJB 3.0 applications

The Counter sample demonstrates the use of EJB 3.0 specification to create, deploy and run EJB 3.0 applications.

EJB 3.0 Technology

Using the Java™ EE 5 architecture, you can build distributed enterprise applications, including Web sites and Enterprise JavaBeans™ (EJB) applications. When you develop EJB 3.0 components, you can take advantage of improvements in ease of learning and use. Review this sample to see how EJB 3.0 components are used in the application, and copy parts of the sample to get started with your own EJB 3.0 components.

EJB 3.0 Counter Sample

The Counter EJB 3.0 sample includes:
  • An EJB 3.0 project, called EJBCounterSample, with an EJB 3.0 stateless session bean (with both interface and implementation classes) and a JPA 1.0 entity class.
  • A Web project (EJBCounterWeb), a Java ServerPages (JSP) page, and a utility Java class.
  • A EAR application EJBCounterSampleEAR) containing the EJB and Web projects.

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