What is metadata annotation?How it is useful in EJB 3.0?

Why is ejb2.x considered as heavy weight and ejb3.0 is considered as light weight?What you mean by heavy/light weight? How it affects the performance of server?

Srinivas Nalla

• Jan 18th, 2012

EJB 3.0 is not really light-weight. EJB 3.0 differs from its earlier versions in terms of development and NOT performance. Using pojos and annotations, unwanted method implementations and deployment d...

Srinivas Nalla

• Jan 18th, 2012

EJB 3.0 is not really light-weight. EJB 3.0 differs from its earlier versions in terms of development and performance. Using pojos and annotations, unwanted method implementations and deployment descr...

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