Mike Dennison

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since Jun 01, 2003
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Recent posts by Mike Dennison

Dan

Thanks for your reply, which I think is pretty good, but I would like to add a point.

I think that you have to be very careful about mock exams.

IMO there are two main reasons why people take mock exams: -

1) to familiarise themselves with exam-like conditions so that they can cope with thinking quickly and working under time pressure.

2) to assess their progress.

I think that they can certainly help as far as 1) is concerned - like all things taking exams generally improves with practice.

As an exercise in assessing progress, mocks can be misleading. Apart from the fact that some mock exams contain incorrect answers, there is also the issue of the level that they are pitched at. Some mocks are much harder than the actual test and and could deter a candidate unnecessarily.

If your ONLY goal is to pass the exam, then I would say "Sure take mock exams to gain familiarality for the exam, but don't worry about the results". They're also useful for looking at the material from slightly different angles, which can prove helpful in the real exam. If you've got the time then use mocks to locate your weak areas and work through your incorrect answers until you understand what the correct answer should be.

However if you can pass the K&B chapter end questions AT ONE SITTING then you can PASS the exam (you might not get a high score, but you can pass).

If however you have other goals like getting 100% then tougher mocks are essential. I did take a quick look at some of your tests and they look pretty good; I like the format, which allows you to work back through the questions and answers to double-check and if neccessary compile and run the questions to verify the result absolutely.

As far as candidates running out of time is concerned, there should be no reason for this to occur if they are familiar with the material and use their time wisely - the exam is not that hard.


Mike
really pleased I don't have to take the SCJP again.
19 years ago
I took this just over two weeks ago.

I used only the Sierra and Bates book.

If you can either get 100% on each chapter test or understand why you got any wrong, then the test should be a breeze.

I found the test easier than I had expected. My only tip is to take your time, read the questions very carefully, mark and leave any questions that you can't answer within a few seconds and review ALL your answers ONCE. I found about 10 questions, where I changed my answer upon review.

Mike
19 years ago
Wow! I'm impressed - so many excellent replies - so quickly. That really helps me a lot.
If I may ask one further question. Ilja mentioned how the java compiler processes the "+" operator in println statements, where's the best place to read up on this sort of stuff?
Mike
20 years ago
Whilst working through a Java tutorial I noticed that the File class has a default method
i.e.
File myFile = new File("c:/dir1/myfile.txt");
System.out.println("My file is " + myFile);
displays
My file is c:\dir1\myfile.txt
Presumably toString() is the "default" method for the File class.
Q1. Do all classes have "default" methods?
Q2. As all class inherit from Object is toString() always the "default" method?
Q3. If not how do you specify a "default" method.
Mike Dennison
slightly confused in Woodford Green
20 years ago