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Fail Part II -- 60%

 
Max Stevenson
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I got my score a couple weeks ago, I was in shock when I saw it:
The maximum number of points you could have received is 100, minimum to pass is 70. Class Diagram (44 maximum) .......................... 22 Component Diagram (44 maximum) ...................... 26 Sequence/Collaboration Diagrams (12 maximum) ........ 12
How can I fail this exam! I have been working with J2EE for over 3 yrs, have done a lot of projects and make a comfortable living for that. I tried to contact SUN for details but got no response. I think the reasons might be:
1. I under estimated the project. I used a lightweight command pattern for the front controller, socket connection to re-use the Frequent-Flyer System, Entity Beans for all domain object, DAO and value objects. Couldn't figure out if my object design is wrong, how come they gave me a perfect score on sequence diagram.
2. Poor explaination. I only have one page assumtion to list the design patterns I use and the links to all diagrams.
3. The grader didn't like my design.
Now should I re-submit it?
Max.
 
Lipman Li
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you design looks OK, the only possibility I could figure out is that your diagram is not clear enough to demonstrate your idea.
for example, have you showed all the relationship between classes, especially those domain classes?
have you clearly show the components in different tier? in term of client/web/ejb tier?
 
Mila Donkova
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Hi Max,
Don't worry I read that you are able to re-submit your design after improving it. Did you use Session Facade and Business Delegate? I believe these patterns are absolutely necessary.
I almost finished my project too and I am afraid to upload it because of some bad feeling. Maybe I'll join you in a month.
 
jon townsend
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Max !!!
Where there is will there is success. You have good exp. Dont worry about your performance in certification. Just try again with more clearity. You will get success.
I have only one question How was Component diagram?
 
Max Stevenson
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Thanks guys, I think I will re-submit it later, but I haven't decide whether to start over or to make changes based on my original design. I have 5 class diagrams seperated by packages and 3 component diagrams. Relationship between classes should be ok but I will think of it again. In component diagrams I didn't have Home & Remote Interface for EJBs, dependancies are basically from client to session bean to eitity bean. I don't know what's wrong with that. Anyway I will read more advice from JavaRanch hopefully I won't waste another $250
Max.
 
Jacques Rodes
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Hi Max,
Sad knowing about your score but man failures have been the key to successes many times. It might be a problem at their end but be confident.
Your feedback can be of great help to others like me who aspire to go for part 2.
Best wishes
JR
 
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