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Java 9 Dependency Injection
book

Java 9 Dependency Injection

by Nilang Patel, Krunal Patel
April 2018
Intermediate to advanced content levelIntermediate to advanced
246 pages
6h 11m
English
Packt Publishing
Content preview from Java 9 Dependency Injection

Annotation-based DI

From the beginning, the most common way of defining configuration in Spring has been XML-based. But when the complexity grew and navigation of beans became exhausted in the jungle of angle brackets, there was a demand for a second option to define configuration. As a result, Spring started support for annotation.

Annotation-based configuration is an alternate of XML-based configuration, and irelies on bytecode metadata. Spring started support for annotation with version 2.5. With annotation, the configuration moves from an XML to component class. Annotation can be declared on classes, methods, or at field level.

Let's understand the process of defining configuration through annotation. We will first understand this process ...

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Publisher Resources

ISBN: 9781788296250Supplemental Content