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Java EE 7 Developer Handbook by Peter A. Pilgrim

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Appendix A. Java EE 7 Platform

This appendix covers the Java EE 7 platform, which was released to the world on Wednesday, June 12, 2013. In Chapter 1, Java EE 7 HTML5 Productivity, you will find an introduction to the overall architecture.

Platform containers

Fundamentally, the Java EE 7 platform contains three containers: Enterprise Java Beans (EJB) in Chapter 3, Enterprise Java Beans, Context and Dependency Injection (CDI) in Chapter 2, Context and Dependency Injection and Servlet in Chapter 6, Java Servlets and Asynchronous Request-Response.

The EJB container manages endpoints, EJBs, which by default support transactions, concurrency, and remoting. EJBs do not have a contextual scope. Stateful EJBs share a one-to-one relationship with the EJB ...

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