How do I enable annotation based auto wiring in Spring Framework?

To enable annotation based wiring, @Autowired, org.springframework.beans .factory.annotation. AutowiredAnnotation BeanPostProcessor need to be registered and it could be achieved in 2 ways.

• Include <context:annotation-config> in bean configuration file.

  <beans>
  ...
      <context:annotation-config />
  ...
  </beans>
  

• Include AutowiredAnnotation BeanPostProcessor directly in bean configuration file.

  <beans>
      <bean class="org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor"/>
  </beans>
  

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