Pro CDI 2 in Java EE 8: An In-Depth Guide to Context and Dependency Injection

© Jan Beernink and Arjan Tijms 2019

J. Beernink, A. TijmsPro CDI 2 in Java EE 8https://doi.org/10.1007/978-1-4842-4363-3_2

2. Beans As the Component Model in EE

Jan Beernink¹  and Arjan Tijms²

(1)

Dublin, Ireland

(2)

Amsterdam, Noord-Holland, The Netherlands

 

In the previous chapter, you got a glimpse of CDI’s history and how CDI has been positioned as the default component model in Java EE. In this chapter, you’ll take a closer look at this component model as we compare it to some of the other models that are still in Java EE.

What Is a Component Model?

The term component goes back a long time, and like the related word module , it’s a term that’s defined in several different ways. Sometimes the explanations overlap, and sometimes they clash with each ...