New in 11: Spring 3.1 @Configuration based contexts support

Spring 3.1 significantly extends @Configuration based applications with a set of new annotations responsible for processing of Spring models

@ComponentScan configures component scanning directives for use with @Configuration classes. Provides support parallel with Spring XML’s <context:component-scan> element

@Import indicates one or more @Configuration classes to import. Provides functionality equivalent to the <import/> element in Spring XML.

@ImportResource indicates one or more resources containing bean definitions to import.

@PropertySource providing a convenient and declarative mechanism for adding a PropertySource to Spring Environment.

@Profile indicates that a component is eligible for registration when one or more specified profiles are active.