Difference between and

Question

I\'m learning Spring 3 and I don\'t seem to grasp the functionality behind and .

Answer 1

 implicitly enables 

try with , in your configuration @Service, @Repository, @Component works fine, but @Autowired,@Resource and @Inject doesn't work.

This means AutowiredAnnotationBeanPostProcessor will not be enabled and Spring container will not process the Autowiring annotations.