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Piotr Nowicki

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Recent posts by Piotr Nowicki

Wow, thanks a lot - that's fantastic news! :-)

Thanks to Nicolai for putting all his hard work into publishing the book and to Code Ranch staff for organising such great event like book promo :-)

Cheers!
11 months ago
Thanks a lot Nicolai for this complete, throughout answer!
11 months ago
Thanks Nicolai,

So, as I understand this moving toward modular system can be done in steps, so at the beginning all of the code is in "unnamed" module/modules and it's possible to gradually introduce this safety-belt that molecularity give us without breaking up the existing solution?

What I mean is, if any migration of this size (i.e. whole application) of existing codebase to modular Java application is going to happen, it needs to be done incrementally as no other option is feasible in my opinion. Hence wanted to confirm it's doable.

Thanks!
11 months ago
Hello Nicolai,

Firstly, thanks a lot for being here and congratulations on writing a book on such non-trivial topic.

I have more experience with pre-modular Java versions. However, when I look at Jigsaw it seems to me that biggest beneficent will be library providers or some IOT applications that care about minimizing the application size.
My question is: if you're developing a regular Java application using e.g. Spring Framework or a microservices-based application using Spring Boot then how can you benefit from the modular system?

Let's imagine one would really like to get his hands on the modularity and needs to convince the CTO that it's worth the investment in time.
How would you play this game? :-)

Thanks in advance.
11 months ago
Yeah, unfortunately I don't think I have a liberty to edit the original post :-(

Nevertheless, I don't think it was mentioned but I still do host a free mock exam for the OCEJWCD 6 that can be reached here: http://www.exam.piotrnowicki.com

Hope someone will still find it useful :-)
Hi Himai,

Actually it's been some time since I've written this question but right now it seems that you're right.

Perhaps the idea was to ask about what happens with init-parameters for a servlet A defined in annotations and in DD. Don't know why the "servlet B" part was involved here.
It would make some sense if it would talk about application-wide parameters like context-params, however it's not configurable through annotations (for a good reason).

The bottom line is - yes, I think you're right - the answer a should not be marked as correct.
Congratulations Frits - good job, you really deserved it! :-))

Thanks for sharing the notes - I'm sure the community will be grateful for you notes! :-)

Regards.
7 years ago
Howdy Ranchers!

Yesterday I've passed Spring 3.0 Core Professional exam. In the fact, it's my first exam which is not pure-Java one :-)

Knowing that there aren't many articles describing the exam itself, its form and the type of questions (well, there is one, great written by Jeanne), I've decided to post my own testimony.

So, if you're interested, visit: http://piotrnowicki.com/2012/07/after-the-spring-core-3-0-exam/

If you have any questions, feel free to ask them!

Cheers
Congratulations!

Great job, and marvelous score - you've earned it :-)

Glad I could be of any help!

Pozdrawiam :-)
8 years ago
Just to add, if you've passed the JSP and Servlets exam, it should be promoted to the Web Component one automatically.
Right now, I can see that there are information about two passed certificates: JSP and Servlets Developer and Web Component developer - both with the same date.
Howdy guys,

Today I've taken the JPA 2.0 exam and successfully passed it with 93%.

My learning process began in September '11. I've read whole "Pro JPA 2.0 Mastering the Java Persistence API" by M. Keith and M. Schincariol and then proceeded to the JPA 2.0 FR specification. I've had some experience with Hibernate (ca. 1,5 year) and was using it quite often. During the reading time I've tried to read and answer to some of the StackOverflow questions. I must say that it was a great practice, as it forced me to reread some of the more difficult part of the specification and confront it with the real-life scenarios.

I've also used the JAVA-KATA website by Andrei Bodnarescu which holds some interesting information.

But, as usual, one of the most important parts of my preparation was the Enthuware's mock exam simulator. I think it's definitely worth its price, it consists of a great number of very high quality questions which reflects topics you're tested on during your exam. Really - read the specification or some book and do some Enthuware mock questions - it'll be definitely enough to pass this exam.

If it comes to the exam itself, there were no surprises. There were only 6 questions on the Criteria API (which was the hardest part for me). A lot of questions about locking and about using Maps. As usual - some of ugly Oracle mistakes like bad line wrapping, additional characters put which would make the code not be compilable or using unexisting annotations (e.g. @ID instead of @Id). Some questions were about EJBs transactionality and L2 cache. There were no questions about advanced L2 Cache like CacheRetrieveMode or any of this stuff.

Cheers!
8 years ago
You're right Paul. Didn't notice that earlier:

http://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=41&p_exam_id=1Z0_894 wrote:
On December 31, 2011, this exam (1Z0-894) is being directly replaced with exam 1Z0-899 Java EE 6 Web Component Developer. Exam 1Z0-894 may be taken through December 31, 2011. Beginning on December 13, 2011, candidates may register for exam 1Z0-899 for appointment dates after December 31, 2011.

Howdy Ranchers,

Just bumped into the following information:

"http://blogs.oracle.com/certification/entry/0663"; wrote:
Oracle Certification announces the release of the new "Oracle Certified Expert (OCE): Java EE 6 Web Component Developer" certification. This certification is for experienced developers of Java technology applications with the knowledge and skills to quickly build web applications suited to any Java EE 6 application server using JSP and servlet technologies.

Earning this new OCE certification requires passing a single exam - 1Z0-899 / "Java EE 6 Web Component Developer Certified Expert", as well as holding an existing Oracle Certified Professional (OCP) - Java SE 5 or SE 6 Programmer or Sun Certified Java Programmer (any edition).

Exam appointments are available now to take the "Java EE 6 Web Component Developer Certified Expert" exam at Pearson VUE testing centers worldwide. Visit pearsonvue.com/oracle and register for exam 1Z0-899.

Full preparation details are available on the Oracle Certification website, including all exam objectives, number of questions, time allotments and pricing.



Can't find out what are the differences between the "new Java EE 6 SCWCD" and Java EE 6 OCE JSP & Servlets exam. Any ideas what this exam is for? :-)

Cheers!