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Joshua Liu

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since Feb 20, 2001
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Recent posts by Joshua Liu

Hey David,
The best score I got on the pre-assessment test was 90%, and that's also what I got on the actual exam. I think if you can get around 80% on the pre-assessment test on a consistent basis, then you'll do well on the real thing.
Guilty as charged, Mark My company actually doesn't use Java, but is undergoing a major software system overhaul to make it more object-oriented. When this initiative was anncounced late last year, I volunteered to study Java as a possible alternative to VB/ASP (our current system), .Net (vaporware), and Python.
So I hit the books on Java, J2EE, OOAD, and do a bit of OO design here, a bit of prototyping in Java there, but I don't have the benefit of working with more experienced Java developers. This is why I enjoy coming to sites like JavaRanch, where Java experts share real-life solutions.
20 years ago
How about you can't extend more than one superclass, but you can implement as many interfaces as you need? So if you use an abstract class, you can only extend that one, instead of Thread or some other superclasses.
20 years ago
You're welcome, Vasan. Yes, in the real exam, the number of correct answers are displayed for multiple select, which is a real life-saver sometimes
Just one note about the exam, though. When I took the exam, sometimes the exhibits (class or sequence diagrams, etc) don't fit on the screen, so you must scroll horizontally and vertically to see everything.
Hi Vasan,
Applying UML and Patterns by Craig Larmen is an excellent book, and I highly recommend it. I passed the IBM OOAD exam about a month ago, after reading UML Distilled and Applying UML and Patterns.
The only mock exam site I used was the IBM "ICE", which I thought was pretty close to what you'd see on the real exam. The ICE database is pretty substantial and you can take the mock exam many times.
I'm not sure what to tell you in terms of ideal preparation time. If you work full-time and only have a couple of hours to study each day, then I'd say a month.
As for the value of SCJP + UML, again, it depends on your situtation and company. By studying for the UML test, it helped solidify my OOAD skills, which I was able to put into use recently in designing some of the software systems in my company.
Good luck on your studies!