Top 6 Spring wiring via JavaConfig [i.e. @Configuration ] examples

Spring Java Configuration (i.e. JavaConfig) provides a pure-Java means of configuring the Spring IoC container. This is gaining popularity as it

  • gives complete control over instantiation and dependency injection.
  • gives type safety & compile-time check
  • supports refactorable configuration & supported by IDEs

Here are some industrial strength wiring examples.

#1, #2, #3. Wiring datasource, entity manager, and transactionManager

#4. Unit tests require wiring up actual datasource with mock in memory datasource

#5, #6. Wiring RESTful templates and JAXB marshaller

#7 wiring properties

or

Alternatively,

and then,


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