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Marco Yuen

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since Apr 10, 2002
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Recent posts by Marco Yuen

Hi,
In part II, I designed a front controller in EJB tier so that both web client and application client can use the same interface to interact with the system. The main different between them is that for web client, it has some GUI jsp which communicates with servlets in the web tier which in turns interact with the front controller in the EJB tier, but for application client, swing GUI commmunicates directly with the front controller in EJB tier, is that appropriate? any thoguhts?
Hi,
The assignment states that customer must interact with the system with secured SSL. For web client, we surely can use declarative security to enforce SSL but how about travel agency client application, it communicates with EJB Tier mainly through JNDI and RMI-IIOP, should we still need some SSL security, should we use Java Security Framework? any throughts?
1) ID - EJ001
When should you use CMP?
(A) When performance is essential and you are storing standard data types.
(B) When performance is not essential and you are storing standard data types.
(C) When performance is essential and you are storing complex data types.
(D) When performance is not essential and you are storing complex data types.
Anwer is b but I guess CMP has a better performance then BMP, rite?
Hi,
I have just passed SCWCD and am going for SCEA. For SCWCD, I found some really neat notes in this website, are there any similar neat notes for SCEA here or available in the internet?
Hi,
I am always confused about the use of <jsp:useBean> to create an object instance and the use of just simply a class in a package provided. Could anyone tell me the main difference? Giving examples and situation on why using <jsp:useBean> would be highly appreciated!
20 years ago
JSP