Spring Dependency Injection example without XML

Simplest example how can Spring Dependency example works. For all configuration are used annotations without any XML files.

Description

• All configuration is in pooky.projects.AppConfig
• This class need to be annotated with @Configuration
• Annotation @ComponentScan will scan and register beans in pooky.projects.beans
• To run example use Main.java

Interesting reading

Spring Depedency Injection and Beans

• https://docs.spring.io/spring-boot/docs/2.0.x/reference/html/using-boot-spring-beans-and-dependency-injection.html

• Difference between annotation @Inject, @Resource and @Autowired
• https://blogs.sourceallies.com/2011/08/spring-injection-with-resource-and-autowired/

• In Spring Component can have constructor, which include specific Bean and you don´t have to write @Autowired there
• Otherwise you have to use @Autowired or other import annotation

More demos

• Java EE World examples can be found here: https://github.com/Pooky/java-enterprise-examples
• Spring Wordl examples can be found here: https://github.com/Pooky/spring-examples