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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_8

8. The Contexts and Dependency Injection (CDI) API

Luqman Saeed1 
(1)
Accra, Ghana
 

Dependency injection (DI) is a way of developing software such that various components are related in a very loosely coupled way. In most software applications, there is always some form of dependency between the various bits and pieces.

Take a restaurant application for instance. You might have a component that handles taking orders, another for sending a message to the kitchen, yet another for checking available ingredients for a given meal, and one or two for calculating the total bill.

These are all various components that need to depend on each other to fulfill the duty ...

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ISBN: 9781484256428Purchase LinkPublisher Website