Expression Language
Java Platform, Enterprise Edition (Java EE) 8
The Java EE Tutorial

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9 Expression Language

This chapter introduces the Expression Language (also referred to as the EL), which provides an important mechanism for enabling the presentation layer (web pages) to communicate with the application logic (managed beans). The EL is used by several JavaEE technologies, such as JavaServer Faces technology, JavaServer Pages (JSP) technology, and Contexts and Dependency Injection for Java EE (CDI). The EL can also be used in stand-alone environments. This chapter only covers the use of the EL in Java EE containers.

The following topics are addressed here:


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