KH Tsui

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since Mar 31, 2005
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Recent posts by KH Tsui

Hi Harsha,

Thanks for your reply. The reason I asked is that my voucher is going to expire. So try to read books as fast as possible.

I already read the first 70 pages of EJB pattern. It is really good for getting a deeper understanding of EJB and having more confident in EJB. Those patterns has been mentioned in different sources separately, it is good to look into them by one book only.

regards,

KH
Hi Harsha,

Do you mean that besides I have to know the design pattern of GOF, I also have to know the additional pattern in EJB pattern book ?

Thanks.

KH
Hi Dom,

From the book SCEA for J2EE Technology Study Guide, it mentions that

"Because JRMP is the native protocol for RMI and does not have to support a myriad of different host data formats and byte ordering, there is less overhead in setting up the argument and return values for a call over JRMP than with language neutral systems, such as IIOP. Used correctly, this can result in higher performance."

"IIOP moves state for arguments and return values of method calls.
� JRMP moves state and behavior (whole objects) for arguments, return values, and exceptions in method calls.
� JRMP is a native Java technology protocol, so it has less overhead than protocols that have to perform format conversion."

Hope this could help

KH