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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

Configuration

You need to give instructions to Spring's container about how you want to configure your beans based on your application needs. These instructions should be in the form of configuration metadata, and they should tell the following things to the IoC container:

  • Instantiation: How to create the objects from bean definitions.
  • Lifespan: Till what time these objects are available.
  • Dependencies: Do they need someone else?

Spring provides a great amount of flexibility, even in defining the configuration metadata. You can supply it to the IoC container in the following three ways:

  • XML format: One or more entries with configuration metadata about beans in Spring's Application Context (XML) file.
  • Java annotation: Put the configuration ...
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Publisher Resources

ISBN: 9781788296250Supplemental Content