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The moose likes Programmer Certification (SCJP/OCPJP) and the fly likes K&B 5.0, Chapter 2, Question 7, Drag N Drop Big Moose Saloon
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K&B 5.0, Chapter 2, Question 7, Drag N Drop

Rupak Khurana
Ranch Hand

Joined: Mar 01, 2005
Posts: 89

I came out with the following answer which is correct but the answer in the book doesnot have the "this()" statement. How will SUN grade such a response, do they try to compile the code or just match it against their code ? . As SUN sees it, is my answer right (since it compiles) or wrong (since it doesnot match a particular answer) ?

SCJP 1.5<br />SCWCD 1.4
Andrew Shumway

Joined: Jan 05, 2006
Posts: 18
You're right. The drag and drop questions in the book can have multiple correct answers. I dont' think that was intended and it worries me that the test will have simmilar oversites. Unfortunatly, we will never know since the test doesnt' tell us what we missed and what the "correct" answer is.

You'll find a couple other small typos in the book. Ch 6 question 8 answer C doesn't use the typical type face for 'Currency' (a class not mentioned in the chapter. Question 7 of the same chapter fails to note that a File can be created with new File(String parentDir, String fileName) as well as File(File parentDir, String fileName. I've got another posting out regarding Ch 7 question 16. The 'correct' answers show the same compile error as one of the incorrect answers...

All in all the book is fairly clean though. It's the exam on the CD that's loaded with typos, errors, bugs etc. Close to 10% of the questions have prolems. One even scores you wrong if you answer C, shows the mistake and explains that C is the correct answer. I think the only reason the CD is in there is to make it more difficult to return the book.

Bert Bates

Joined: Oct 14, 2002
Posts: 8898
Hey Rupak and Andrew,

The Sun exam engine doesn't actually compile your drag and drop code. In some cases a drag and drop question will have several correct answers, and if you create ANY of the correct answers you will be given full credit.

As far as the book goes, I'm traveling for a few days and don't have the book with me, so I'll look into your concerns when I return. I will say though that drag and drop questions won't always supply you with the components you need to create EVERY legal solution, but they will provide you with enough components to create at least one legal solution. So, if their is one good answer, the question doesn't have to provide you with ALL legal answers the API might provide.

As far as the CD goes, we have had some problems with the vendor, so any details you can give us will help us to fix the specific problems AND also to help us get some leverage on the exam engine vendor so that we can improve the quality of that product. Unfortunately, this is an area where we don't get final control on the content, so your feedback will help us try to change that!

I think the only reason the CD is in there is to make it more difficult to return the book.

Ouch Andrew! I gotta tell you that we put a lot of effort into ALL of the exam questions we created for the book, and that we consider the CD exam and the web site exam to be a key part of the value of the book - so if there are errors we want to know about them and fix them ASAP!



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