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Java 9 Dependency Injection

You're reading from   Java 9 Dependency Injection Write loosely coupled code with Spring 5 and Guice

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Product type Paperback
Published in Apr 2018
Publisher Packt
ISBN-13 9781788296250
Length 246 pages
Edition 1st Edition
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Authors (2):
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Nilang Patel Nilang Patel
Author Profile Icon Nilang Patel
Nilang Patel
Krunal Patel Krunal Patel
Author Profile Icon Krunal Patel
Krunal Patel
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Toc

Dependency injection and the bean scope

We understand each scope has a different boundary. Now, we will write one REST controller to understand how different scope beans are injected to other reference beans by writing simple Spring boot applications. 

In the following diagram, the StudentController has injected the reference to all other classes. The ClassDetail class with the session scope has two references to singleton and prototype, and the student application contains a few other associations between classes as well. Autowired annotation is utilized to fulfill dependency between beans. Just to clarify, Spring controllers are always created with the singleton scope:

As we are writing a Spring boot application with REST. Will will have to create a maven project and the configuration of pom.xml file would be:

<?xml version="1.0" encoding=&quot...
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