December 2017
Intermediate to advanced
372 pages
8h 46m
English
Content preview from Java EE 8 Application Development
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One standard, multiple implementations
At its core, Java EE is a specification—a piece of paper, if you will. Implementations of Java EE specifications need to be developed so that application developers can actually develop server-side, enterprise Java applications against the Java EE standard. Each Java EE API has multiple implementations; the popular Hibernate Object-Relational Mapping tool, for example, is an implementation of Java EE's Java Persistence API (JPA). However, it is by no means the only JPA implementation; other JPA implementations include EclipseLink and OpenJPA. Similarly, there are multiple implementations of every single Java EE API specification.
Java EE applications are typically deployed to an application server; some ...