jimmy cheng

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since Sep 08, 2009
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Recent posts by jimmy cheng

I want to generate chart reports inside a webpage. But I don't know what technology should I use.
Here is a Chinese website, inside we can see a Flash Graph is included. From the html source code, I can't find any clue for the related technology.

http://data.house.163.com/gz/

Could you please help?

Thanks a lot.

Charles Lyons wrote:

Kevin Kilbane wrote:How relevant is the SCWCD exam to the real world?


Almost everything to do with Java EE presentation involves the Web container in some form. Even if you use a framework like JSF or Struts, you'll be using servlets and JSPs underneath, and knowing the details of how they work will help you when a problem arises (as they frequently seem to, for me at least!). I'm currently working on a project which takes inputs from multiple distributed systems and presents them through a single Web interface. Those systems involve using remote database connections, REST over HTTPS, SSH and SOAP. We could have done this in (for example) PHP, but we wanted a language which could scale to a vast number of future technologies. Java provides that platform. The Web container provides a simple yet powerful way to handle all the details of HTTPS as well as promote code re-use (e.g. through JSP tags and EL), and enables container-wide authentication and authorisation, for example.

Kevin Kilbane wrote:I'm just wondering if studying for the SCWCD would be the best way to do this?


I see no reason why not. I find I learn things quite adequately by studying a well-defined syllabus - and having that end goal is good too. Even if you never took the exam to get the certification, you'll still have learnt all the knowledge along the way, and that's what really matters.

I don't know if this was just good timing or a question about my book in particular, but in case it's the latter, you can find more information (table of contents, sample chapter, availability) linked from my post in the sticky thread.



Hi, Charles, has your book been published in a Chinese edition?
Rayapudi raised interesting questions... I also need to ask myself.

For me, I just want to learn java. By this exam, I can learn it more systematicly and purposefully.
To pass the exam, 58% is the base. I think 60% is enough~~

But don't before taking the exam, we'd better get >70% rate.
Otherwise, we may fail if no good luck.
I think we need 2-3 months.

At least before the exam, we need to go over all chapters several times and summary the test points.

When you see a quesiton, you know what the question is testing, you win.
Really I think SCJP6 is not that easy...It needs tremendous exercise and training.

For many times, I was fraustrated by the tricky questions.
It seems SCJP expects the certification holder to be a good compliler.

You need the books by Kathy & Bert.
First of all, i must say thanks to Kathy Sierra and Bert Bates. Thanks for their wonderfull book <SCJP for Java 6 Study Guide>.

I have prepared it for about 3 months. Once I almost gave up because I was completely tired of doing the tricky questions.
After this suffer....now i think i got a better understanding of Java.

I didn't got a high marks, only 78%.

Declarations, Initialization and scoping 80%
Flow Control 90%
API Contents 85%
Concurrency 40%
OO Concepts 90%
Collections/Generics 75%
Fundamentals 66%

14 years ago