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Passed Java 1.4 Programmer Certification

Greg McNair
Greenhorn

Joined: Aug 20, 2002
Posts: 12
Hi all!-
I just passed the 1.4 Programmer Certification with a score of 90%.
If you are studying for the 1.4 test using 1.2 books, they will serve you well. Just make sure that you find some other sources for Collections and Assertions and you will be fine.
The test still give you the number of options to select for 'multiple choice' questions.
On to the Developer Certification!
-Greg
Ron Newman
Ranch Hand

Joined: Jun 06, 2002
Posts: 1056
Congratulations! I think you're the first person here to report taking the non-beta 1.4 test.
Did you still have two hours to take the test?


Ron Newman - SCJP 1.2 (100%, 7 August 2002)
Greg McNair
Greenhorn

Joined: Aug 20, 2002
Posts: 12
Hi Ron-
Yes, it's still two hours. I used them well. Took about an hour and twenty minutes to answer all, then another 35 to re-check.
-Greg
Greg McNair
Greenhorn

Joined: Aug 20, 2002
Posts: 12
One more thing... The 1.2 books work fine. You can simply and safely ignore the chapters on AWT and I/O.
paulchenzhong
Greenhorn

Joined: May 22, 2002
Posts: 7
Hi,there:
Wow,cool. Could you mind give more detail of the 1.4 exam? I will take in Sep. 10.
Also, could you show us your study materials and some experience?
Thanks lot.
Paul
Anonymous
Ranch Hand

Joined: Nov 22, 2008
Posts: 18944
hi greg
i have been preparing for the 1.2 exam for past month. will the prep work for new exam if i just ignore I/O and AWT and study Assertions and collections in detail. also with the reduced passing %, has the exam become difficult?
regards
sabby
Greg McNair
Greenhorn

Joined: Aug 20, 2002
Posts: 12
Paul-
I will assemble some links tonight that helped me and post them here.
Please let me know how you'd like me to go into more detail.


-Greg
Greg McNair
Greenhorn

Joined: Aug 20, 2002
Posts: 12
Sabby-
I never took the 1.2 exam. That said, from what I can gather online about the difficulty of the 1.2 exam, I'd say they're about the same. Maybe in Sun's beta testing they discovered that because of the increased emphasis on fundamentals, they needed to lower the passing score.
If you're considering taking the 1.4 exam rather than the 1.2 exam you're probably fine. Everything other than AWT and I/O will apply to the new exam. Assertions are not too hard to learn. You should place a little more emphasis on Collections and Wrapper classes than you would have for the 1.2 exam
-Greg
Serena Chen
Ranch Hand

Joined: Aug 15, 2002
Posts: 38
Thanks for the info Greg, could you also tell us where to look for in-depth materials about wrapper classes, hashCode and assertion?
thanks and congratulation too!
Ron Newman
Ranch Hand

Joined: Jun 06, 2002
Posts: 1056
I found the Sun Collections tutorial very useful while preparing for the (1.2) exam:
http://java.sun.com/docs/books/tutorial/collections/index.html
Karen Ko
Greenhorn

Joined: Aug 20, 2002
Posts: 3
Originally posted by sabby singh:
hi greg
... also with the reduced passing %, has the exam become difficult?
sabby

Can anyone can tell me where can I find the passing % of 1.4 exam?! Is that the same as 1.2 exma (which is 61%)?!
Many many thanks!!
Greg McNair
Greenhorn

Joined: Aug 20, 2002
Posts: 12
Hi everyone !
Here is what I did to pass the 1.4 Exam:
I started with a 1999 copy of The Complete Java 2 Certification Study Guide: Programmer's and Developers Exams by Simon Roberts, et al. After reading the objectives for the 1.4 exam (this was about six weeks before Sun released the -035 exam...), I decided to wait for the 1.4 version rather than take 1.2. The fundamentals simply meant more to me than AWT. Because I chose to take the 1.4 exam, I simply skipped the final chapters on AWT and I/O.
I read this book carefully two times and really liked it, but felt the need for another perspective, so I picked up a copy of Java 2 Exam Cram by Bill Brogden. Amazon says this book is now out of print. Maybe they're updating it for the new test.
So, after another couple of time through this book (it's a quick read...) I started to focus on the areas that I felt I needed a better understanding. I picked up a copy of Java Threads, 2nd Edition by Scott�Oaks and�Henry�Wong. Only the first four or so chapters apply to certification. After this, I felt that I had a firm grasp of threads.
After that, I began using the mock tests. The Java Rules Round-up game on javaranch.com was great and a lot of fun. If I missed a question, I would research the correct answer in one of the books until I understood fully. Having had a pet heifer or two in my childhood, I was relieved to learn that no cows were harmed in the making of Rules Roundup.
Then, I began taking the various mock exams which you can find on the JavaRanch mock exam links page. I skipped any questions relating to AWT or I/O and figured my averages accordingly. Before taking the test, I was scoring in the low-90s on Marcus Green's tests.
I cannot stress enough that after each test is is very important to fire up the Hi-Fi and play "The Hustle" at neighbor-pestering decibels to celebrate one's progress...
Finally, there's the issue of the new objectives. From Sun's website, I gleaned that there would be stronger emphasis on wrapper classes and collections. For the wrapper classes, I read the API documents to understand usage of the following methods:
  • doubleValue
  • floatValue
  • intValue
  • longValue
  • parseXxx
  • getXxx
  • toString
  • toHexString


  • To find the answer to hashCode implementation, I searched on Google, got an anti-drug advertisement and a link to a FAQ by John Zukowski at jGuru. That provided what was needed!
    For Assertions, I read the Sun Collections Tutorial that Ron pointed out.
    That's about it! I can confirm the exact passing grade tomorrow morning.
    -Greg
    Greg McNair
    Greenhorn

    Joined: Aug 20, 2002
    Posts: 12
    The exact passing score for the Sun Certified Programmer for Java 2 Platform 1.4 is 52%. This is taken directly off my "Examination Score Report".
    Valentin Crettaz
    Gold Digger
    Sheriff

    Joined: Aug 26, 2001
    Posts: 7610
    Good job Greg
    The exact passing score for the Sun Certified Programmer for Java 2 Platform 1.4 is 52%. This is taken directly off my "Examination Score Report".
    Soon, people will be certified just after having paid the voucher without having to take the exam
    Does anyone have any idea as to why Sun is lowering the passing score everytime they release a new exam version? Do they prefer quantity over quality, or what :roll:


    SCJP 5, SCJD, SCBCD, SCWCD, SCDJWS, IBM XML
    [Blog] [Blogroll] [My Reviews] My Linked In
    Manish Hatwalne
    Ranch Hand

    Joined: Sep 22, 2001
    Posts: 2578

    Congrats Greg,
    Good score, so did u have really tough questions on assertions and collections?
    - Manish
    Pradeep Chopra
    Ranch Hand

    Joined: Nov 19, 2000
    Posts: 219
    Congrats Greg.
    For complete information about SCJP (J2SE 1.4), do check out http://suned.sun.com/US/certification/faq/#java
    It also confirms 52% as the passing marks.
    Regards and best wishes
    Pradeep


    Whizlabs Software<br />Success, certified!<br /> <br />Web: <a href="http://www.whizlabs.com" target="_blank" rel="nofollow">http://www.whizlabs.com</a>
    Nazmul Huda Sarkar
    Ranch Hand

    Joined: Feb 01, 2002
    Posts: 317
    Congratulation Greg!!! And your score is greate.
    But what SUN is doing..passing score only 52% ??? I think they should make it at least 71%...


    Nazmul<br />SCJP,SCWCD,IBM OOAD with UML
    Greg McNair
    Greenhorn

    Joined: Aug 20, 2002
    Posts: 12
    Cannot vouch entirely for the logic of lowering the passing score. I have wondered if they're setting the mark at this level until people have adjusted to the new objectives.
    -Greg
    Ron Newman
    Ranch Hand

    Joined: Jun 06, 2002
    Posts: 1056
    While the Sun Collections tutorial is indeed great, it doesn't have anything about Assertions in it.
    Valentin Crettaz
    Gold Digger
    Sheriff

    Joined: Aug 26, 2001
    Posts: 7610
    Ron,
    info on assertions can be found here:
    java.sun.com : Programming with Assertions
    Salima Lalani
    Ranch Hand

    Joined: Aug 15, 2002
    Posts: 59
    Hi,
    Are there any good books which discuss about assertion?
    Pls let me know.
    Thanks
    Salima
    Greg McNair
    Greenhorn

    Joined: Aug 20, 2002
    Posts: 12
    Sorry for the typo, Ron. Guess it serves me right to be posting in the wee hours of the night.
    JOSEPH BIH
    Ranch Hand

    Joined: Jul 08, 2001
    Posts: 44
    Where to find more details about Hashcode and Eaqual?
    Ron Newman
    Ranch Hand

    Joined: Jun 06, 2002
    Posts: 1056
    The most important things to know:
    If you override equals() you must override hashCode() as well.
    If equals() returns true, then you need to ensure that both objects return the same value from hashCode()
    The converse is not true: two unequal objects can have the same hash code. (But the more this happens, the less efficient the hashing will be.)
    [ August 22, 2002: Message edited by: Ron Newman ]
    JOSEPH BIH
    Ranch Hand

    Joined: Jul 08, 2001
    Posts: 44
    Thanks, Ron!
    Is there any actual tutorial about hashcode? More code examples of overriding hashcode().
    Joseph
     
    I agree. Here's the link: http://aspose.com/file-tools
     
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