Spring has JSR-250 based annotations which INCLUDE @POSTCONSTRUCT, @PreDestroy and @Resource annotations.

@PostConstruct: This annotation can be USED as an ALTERNATE of initialization callback.

@PreDestroy: This annotation can be used as an alternate of destruction callback.

@Resource : This annotation can be used on fields or setter METHODS. The @Resource annotation takes a 'name' attribute which will be interpreted as the bean name to be injected. You can say, it follows by-name autowiring semantics.

Spring has JSR-250 based annotations which include @PostConstruct, @PreDestroy and @Resource annotations.

@PostConstruct: This annotation can be used as an alternate of initialization callback.

@PreDestroy: This annotation can be used as an alternate of destruction callback.

@Resource : This annotation can be used on fields or setter methods. The @Resource annotation takes a 'name' attribute which will be interpreted as the bean name to be injected. You can say, it follows by-name autowiring semantics.