Question
What are the jsr-250 annotations? explain them.?
Answers
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.   Your Comment




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