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Introducing Jakarta EE CDI: Contexts and Dependency Injection for Enterprise Java Development
book

Introducing Jakarta EE CDI: Contexts and Dependency Injection for Enterprise Java Development

by Luqman Saeed
February 2020
Intermediate to advanced
99 pages
1h 45m
English
Apress
Content preview from Introducing Jakarta EE CDI: Contexts and Dependency Injection for Enterprise Java Development
© Luqman Saeed 2020
L. SaeedIntroducing Jakarta EE CDIhttps://doi.org/10.1007/978-1-4842-5642-8_4

4. What Is an Application Server?

Luqman Saeed1 
(1)
Accra, Ghana
 

The previous chapter talked about what a JSR reference implementation is. The definition of Java EE also mentioned that it is a collection of abstract specifications. Java EE itself is a Java Specification Request.

Better still, Java EE is what is termed an umbrella JSR in that it encapsulates some JSRs. So Java EE 7, for instance, is JSR 342. Java EE 8 is JSR 366. So Java EE itself is a JSR that goes through the JCP JSR process and is subject to the requirements of every JSR.

Flowing from this idea and remembering that the JSR process requires every JSR to have a reference implementation, ...

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