Juan Ibañez

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since Mar 13, 2015
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Recent posts by Juan Ibañez

Frits Walraven wrote:Hi Juan,

I am having some problems with the study of this certification


This is indeed a very difficult  certification.

Java EE6 security is best explained here: EE6 tutorial

You can find some nice explanations about Webservice security here: javaworld and owasp.

The same thing happening to me with "Apply best practices to design and implement web services", Is there any place where i can found this information clearly?


Unfortunately not, MZ notes give some good pointers but you need to do a lot of research.



Thank you very much, this guides are helping me a lot, and good to start again for somepart ... since i am already a certificated in web component, this part of the security EE security is not a problem. But the WS- aspects is are driving me crazy, I am doing an overview of everything, security in JSE include, looking at wsit manual etc... because there are a lot of concepts, a lot of specifications, i need to know them at a high level, at least. I'm saturated with too much information, so I've decided to focus on putting it in order.

And wow ... this is harder than i thought!


I am having some problems with the study of this certification

First of all, i am spanish and my level of English is good enought to certificate, but it is very difficult for me to study because I translate and write everything into Spanish first and then study it, so it takes me a long time, I found the book of Up And Running very hard to read, so I decided to read a documentation that i have from a "Oracle oficial course" and i see the Javabrains videotutorials, which by the way are very good.

After this, i think i have enoucht level to read directly Mikalai Zaikin notes ... but then i realice that i didnt understand a lot of things.

I am having problems specialy with the security part since there is some blah blah in Zaikin 6 notes in the security for a SOAP web service. Its enought with the 8 lesson of the Zaikin 5.0 notes? What more i need to know and where i have to study it, because i have a lot of information from diferent places, but i dont know what exactly i need to study.

The same thing happening to me with "Apply best practices to design and implement web services", Is there any place where i can found this information clearly?

Thanks a lot!!!

Hi all, I'm already OCP6. I think it would be interesting to get me the following certification.

That is, Upgrade to Java SE 7 Programmer | 1Z0-805 OR do Java SE 7 Programmer or II | 1Z0-804.

I have some general questions about this:

Is it too hard? Is it worth it? How long do you think that will take prepare well? do you think is better idea to go directly to other certifications like web component, ejb ?

can i make the 1Z0-804 Java SE 7 Programmer II(now that I am OCP6)? or I have to do the upgrade exam mandatory. An oracle operator told me I have to update myself, but on the web, I cant find nothing which says that its a requirement.

thank you very much.
Given the following two files containing Light.java and Dark.java:



And if those files are located in the following directory structure:

$ROOT
-----| Light.java
-----| Dark.java
-----| checker
-----------|dira
-----------|dirb

and this comand line invocation



Ok, i try this and works, but my question is.

¿How javac can find Light.java? ... I assume that -cp checker/dira we changed the classpath environment variable to "dira", were there is not any .java source file. So, for me the java algorithm is trying to find de source file there. is that right?

Sorry for this basic question but i search on the internet and on this forum and I dont understand why i am wrong.

FIXED!!
Sorry , its working, One error in my computer led me to think that to run javac is necessary to set the classpath when according to theory , only seeks classes . In my computer HelloWord.java does not copile without "javac - cp ." , but I try in another and it works . Now i understand a lot of things, It was driving me crazy.