Champion, one thing I can tell you is that I did improve my design skill after I became a Sun Certified Java Developer. It is an opportunity to do things your way and in your time. You'll have to research about topics that (in my opinion) are mandatory for any Java developer, such as RMI, concurrency, design patterns and so on. I really really recommend this certification. There's a friend of mine here in Brazil that used to participate a lot of this forum, he thinks that this certification is one step before the SCEA. And I do agree with him. So, in my opinion, yes can definitely improve your OO skills.
The book that we recommend is Andrew Monkhouse's SCJD Exam with J2SE 5, Second Edition. At any time, when you have a doubt, you may come to us and we will do our best to help you with your problem. Also, most of the doubts you will have have already been answered, so searching for your answer here is a good tip too.
I was a win32 developer before entering scjd, probably having no big java experience.
After I started working on the sun interface, I read multiple books, worked out multiple options,
compared many alternatives, seen many design patterns, read this forum a lot, learned from the expert views.
And surely read Andrew's book a lot.
To summarize, I feel this indeed developed my design skills
SCJP 5.0, SCJD, SCWCD, IBM WCS
posted 10 years ago
Thank you Bob and Naveen.
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