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ejb post construct, pre destroy

Posted on 2011-09-10
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i would like to know about ejb


post construct, pre destroy


 what are advantages, disavantages, uses, why, when, how, where we use them. i was not clear on this topic. thanks in advance
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Question by:gudii9
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for_yan earned 500 total points
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read here:
http://java.boot.by/scbcd5-guide/ch02.html


PostConstruct

PostConstruct methods are invoked on the newly constructed instance, after any dependency injection has been performed by the container and before the first business method is invoked on the bean.

PostConstruct methods are invoked in an unspecified transaction and security context.

PreDestroy

PreDestroy methods execute after any method annotated with the Remove annotation has completed.

PreDestroy methods are invoked in an unspecified transaction and security context.
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