Java Technology Forums Survey

Hello. I am doing some research for my school course on who uses these forums. I would like to know:
Where are you from? (country / city)
How old are you?
What sort of work do you usually do? (swing / j2ee / j2me etc.)
I hope you can help me in my questions.
Stig Johanson

Reality check.
People who don't already publish their personal information are not going to give it to you. Even if they did and by some miracle you got, say, a thousand replies, you have a big job on your hands to extract the data from the responses.
What you should do is put up a web page somewhere (what an astounding idea - actually write some code? whatever next?) and get folks to anonymously answer your questions there.
For extra credit, do such a good job that you can persuade the folks at Sun to include it as a link from the developer home page - yeah, you're right, that'll never happen.
Either way, it's a question of getting out what you put in.

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Open survey on new eLearning method for Java technologies

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What is the roadmap to a new comer in java technology?

Can some one define and explain the roadmap for a new comer who has just formal experience of using computer and keeps only basic knowledge about computers and computer programming? A new comer's mind is boggled with so many unkown terms. Can someone sort them out to make understand simply? What a new comer should know before dipping into the java technology and what must be learnt sequentially?

Take a look at these. Pick the one or ones you like.
Sun's basic Java tutorial
Sun's New To Java Center. Includes an overview of what Java is, instructions for setting up Java, an intro to programming (that includes links to the above tutorial or to parts of it), quizzes, a list of resources, and info on certification and courses.
http://javaalmanac.com. A couple dozen code examples that supplement The Java Developers Almanac.
jGuru. A general Java resource site. Includes FAQs, forums, courses, more.
JavaRanch. To quote the tagline on their homepage: "a friendly place for Java greenhorns." FAQs, forums (moderated, I believe), sample code, all kinds of goodies for newbies. From what I've heard, they live up to the "friendly" claim.
Bruce Eckel's Thinking in Java (Available online.)
Joshua Bloch's Effective Java
Bert Bates and Kathy Sierra's Head First Java.
James Gosling's The Java Programming Language. Gosling is
the creator of Java. It doesn't get much more authoratative than this.

What's your strategy for learning Java technologies?

Or, in other words, how do YOU acquire knowledge that is necessary for implementing Java technologies?
After having spent one-and-a-half years developing an enterprise app, I've gained lots of knowledge about Java and some surface knowledge about its related technologies (JBoss, Hibernate, Ant, XDoclet, NetBeans and probably some others I can't think of at the moment).
I'm now realizing that -- although the standalone prototype version of my program is growing mature -- I've still got lots to learn for refactoring it to a web platform. For example, I 've done small test projects using Servlets, but haven't done any work with JSP (or HTML for that matter) yet.
Now, I'm sure I can learn JSP etc., but the questions I ask myself are: how long will it take?
It's a rhetorical question of course (I don't expect an answer from you, the reader) However, it's an important issue because the months or years I spend fumbling around learning these new technologies, are time I could otherwise spend on the business logic and functionality of my program.
So, how do you guys acquire knowledge of technologies? Official training perhaps? Or do you simply experiment until it works? Or do you rely on your company's knowledge base (e.g. someone in your company knows how it works)? Or do you get prototypes built from someone who already knows how it works?
I�m really curious about this and would appreciate your thoughts.
Thanks in advance,
P

Well, it seems like most of you simply read the
various texts and try the vendors' examples. I'm
surprised that no one mentioned ever having bought a
prototype application from the onset. "bought"? What's that mean? You don't buy prototypes. You download evaluation versions, maybe.
I try to find sample code and tweak it to see the effects. Otherwise, I start writing small sample code an build on that.
I consider myself a reasonably competent core Java
programmer, but I had serious difficulty configuring
and merging its related technologies. There were so
many disjointed pieces of instructional information
that the additional research time really hurt our
budget severely. Not an uncommon thing, I'm sure. There's a lot of stuff. But don't bother learning all of it. Not in detail, at least. It's a good idea to familiarize yourself with the names of packages/libraries and what they do. But only really learn what you need to learn for what you need to do. The next project you will probably need other things, so you learn them then.
bsampieri,
I've setup Tomcat and tried the examples--in fact, I
normally follow tutorials for all products I hope to
use. Problem is, the examples and tutorials never
address my specific needs. So, I usually inch toward
my goal by spending weeks or months in forums to
continue where the tutorials leave off. Anything complex is going to not be there.... the trick is to identify pieces that you can pull out to build more complex apps. And the fact that JSP/servlets have the issue of being compounded by all the HTML/CSS/JS and HTTP protocol ... I don't want to say limitiations, exactly... Well, it just makes things more complex and harder to know what you need.
Perhaps you guys are much faster and smarter than
I...or you have a much bigger budget :)Probably not... on either account.

Brief Idea of Java Technology !

Hi all,
I m a Form/Report Developer in 11g and want to use JAVA in my 11g Forms/Reports application.
But I have a little knowledge of Java, and Java has also so many technologies, and confuse to start the technology.
So, want some brief idea of all JAVA technologies like JRE,JDK,Java Beans, JSF, Jdeveloper, ADF, Core Java, Advance Java, Spring, Rail etc.,
so that I could start/use JAVA technology in my 11g Forms/Report application.
Please suggest me best for my 11g Forms/Report application !
Thanks/Regards.
Dev

The {forum:id=82} forum is a better place to ask about how to use Java with Forms, but then you'd know that already, since you asked the same question over there.

Look for general blog on Java technologies

Hello,
I am greatly interesting in Java and look for active blog on Java technologies. I found 1000 of blogs posted in this forum but many are very specific or not active anymore. Could you please advise me good java blog with regular posting and interesting articles on different part of Java?
thanks
sebastien

To write JNI code for integrating of an activeX is not a simple task. You will face with a number of problems related to COM:
- when and where to call CoInitialize and CoUninitialize,
- how to clean up COM references on Java Application exit,
- when to do Thread Marshal and when it is not needed for COM interfaces;
- how to Marshal and Unmarshal COM parameters in Java methods calls to COM Interface methods, etc.
The best decision is to use some Java-COM Bridge.
My company has developed tools like
- Java-COM Bridge
- Object-Oriented JNI SDKs for C++ and .NET (v1.1,v.2.0) languages (do not mix with JNI wrapper generators). These are an object-oriented maps of the regular JNI SDK,
- Add-Ins for MS Visual Studio v.6.0 and v.7.1 that generate Java wrappers in C++, C#, J#, MCpp, VB for Object-Oriented JNI SDK.
So we know problems you have.
See our site
http://www.javain.com

Migration From D2K to Java Technology

Hi Everyone,
I am using Oracle D2K 6i Version from the last four year for transaction form for my company.Now because of low bandwidth and for multiple centers it is needed to go online. My Company want to switch to Java Technology with oracle database. Please tell me is it possible if i am going to create big transaction form(s) having 5th level of master/detail relationship. if yes so for which technology of java like (JSP,struts, hibernate) or something else i need to look forward.
Your Suggestions are most welcomed.

This forum is only handling foreign database to oracle migrations. You might better post your request in the Java or Developer forum

Better software domain for java technology.

hi all,
i am a college passout fresher , 6 months before i joined a MNC software company as a software developer . i can rate myself 7/10 for
core java concepts.
i have option for choosing my Domain beased on JAVA technology . can anyone of you please let me know which domain will best for my career ?
only few domain i know and these are :---
1. Finance
2.Telecom
3. Hi-Tech and internet

Don't cross-post:
http://forum.java.sun.com/thread.jspa?threadID=5133239

I need to know the right tools and java technology

Please help,I need to know the right tools and java technology to support what I need.
I had background programming in Assembly,C++,Visual Basic,SAP/ABAP 4.
All I can say, programming is about logic, now we are very helped building program using objects.
I'm very interest to SAP tech, where all screens, programs, reports are resides on tables, this is the real dynamic!
CUrrently I'm eager to do the same technic with java. I'm new to java....
What I know the J2EE is the core for me to start is it right? I was very interest with the Client-Server Tech. How can I impelemet this with Java?
I'm a bit confuse with so many java solutions. There is Java Applets, Swing, Java AWT, JavaBeans, etc...
I don't know what is the best if I want my Presentation/Client Application will run within browser (not standard html, using like windows gui). What should I do to make business logic objects, how to invoke it within the gui. how to make installation package whenever clients connect to the http server.
if you have a pointer to do it please let me know.... I'm very appreciate all your response...
Best regards,
Lucky Pangemanan

I'd say - don't get carried away with the heavyweight frameworks. Don't use EJB if Hibernate and/or Tomcat will do the job. There's a danger of winding up using a bulldozer to crack a wallnut.
What people mean by "J2EE" varies a fair bit.
Start with Tomcat, which has the virtue of being free. Try some JSPs and servlets.
Use Applets to do client side presentation only if you must; Applets create an installation overhead on end-users, and some of them can't cope, while others may not have the necessary installation permissions on their office machines. They are pretty rarely needed, IMNSHO, most client-side behaviour is better handled with html and JavaScript.

Java technology/framework suggestions required for solution.

Hi,
I'm a C/PRO*C developer (for the past 12 years) and have been asked to do some Java ( which I haven't touched for 13 years).
I would like you input on the 'correct' solution (kind of like an architectural overview) of the technologies I should be looking at.
There are two parts to this.
I need to write a web browser/Application that picks up a file locally on windows PC and reads the contents of the file to populate some url parameters which go to a specific web sevice via HTTPS.
I then need a web service or some kind of servlet (I guess) that on receipt of the request by the client then stores (to a database) the request for auditing and then creates a soap message (using the data receieved) to an external third party( WSDL provided by thirdpparty). Once the thirdparty responds the web server then generates a web page for the client which includes a number of options and details retrieved from the thirdparty are displayed and on the client selecting them the result is sent to the server and the selected option is stored.
Part of this must be that the server must be capable of running as a number of instances. It must be highly secure.
What java technologies/frameworks should be looked out? Is my very rough design fundamentally floored?
Thanks in advance.
OFN

OldFashionedNewbie wrote:
So should I use servlets as opposed to JSP? or JCF?Servlets are not opposed to JSP. (JCF? Do you mean JSF?) You can and would use both Servlets and JSP, however, I have grown to believe that JSPs are awful and you should use Velocity instead. From what I've heard of JSF, I'd avoid that too.
Essentially then create a servlet that accepts HTTP request and manipulates a call to the thirdparty, audits data to database, and returns a page back to client which then accepts the option.The server accepts the HTTP request and deals with that lower-level stuff for you, then it invokes your servlet.
The servlet shouldn't call the third party, etc.; it should invoke other code (that you'd write) to do all that. You need a layer of abstraction between your business logic and the web tier. Among other things this will make it much easier to test.
If I were wanting to run this as a in multiple instances then I create a connection pool to the database. But could multiple app instances be able to use one network connection to the ThirdParty?I suppose they could but it seems like more trouble than it's worth and a whole layer of infrastructure that I wouldn't bother with unless (a) you've demonstrated that it's a problem during profiling, and (b) you find that there's some preferably open-source library that handles this for you.

What platform/java technology should I use? Please Help

Hi, I am a uni student and have a final year java project to do.
The project must include:
1. a server side application that must run at specific times during the day (3 x a day) and store information to a database (MySQL).
2. a client side desktop application that will connect to the database and retrieve the information.
I have no problems writing the client side application. However, I am totally lost when it comes to knowing what server I need to have running the server side application and what type of java technology the server side application should use i.e EJB, entity beans etc??? How would the appliaction run at certain times, would I use a timer class? What would be the best way?
I would appreciate any advice you can give. Many Thanks.

Hi,
1. ok if I develop my application as a "normal" java
application does this mean that it needs to run on an
aplication server?No, it doesn't.
2. is developing the app as a normal java app
considered a good way of implementing such a system,
or would it be better to use enterprise bean
approach?That depends on your professor. Given nothing other than the requirements you stated, there is no need for an application server. You can just have a command-line app that runs forever to do these server things. However, if your professor wants you to learn about J2EE servers, then it's a different story. So ask your instructor.

Java Discussion Forum - Post topic not working

I've deployed the Java Discussion Forum contributed by CLAURENT in Knowledge Exchange. Deployed to 10gAS in JDev 9051. I've modified a few deprecated classes and made the appropraite changes to orion-applications.xml to point to the correct JPDK jars when deployed under Linux.
The application is operating properly with no errors. The administartion portlet can modify and create new forums. However, Posting a topic does NOT work. And it doesn't throw any errors on screen or in the console log (application.log) or the log4j log (forumprovider.log). Has anyone run into a problem like this?
Thanks. LEH

I have exactly the same problem on the Portal 10g release 2.
Normally the "dit of a new topic" calls the EditPostAction but after submitting the form, nothing reachs this action.
I check this in debug mode and add several logs and I don't see nothing appearing for this action.
Did you find a solution?

Java technologies for developing Desktop Applications

Hi,
I am new to desktop applications development. Can someone tell me the java technologies, API etc. that I have to learn for desktop application development.
Jagatguru

Thanks for your speedy reply.
Actually, I am not interested in web-based applications. I am programming in swings and JDBC. Now I want to enhance my work area to include new technologies. Can you please tell me the other technologies that I have to learn for desktop applications

Java Technologies release date

Hi,
Any idea where I can find the list of java technologies and their release date? (either together or individually)
Thanks in advance

Google did not turn up anything useful, ny chance I could get the list u downloaded?

Java technologies (JSP, Servlet, Reflection).

Hello.
I have questions about Java technologies.
3. what is it Stud&Skeleton and how are they created?
4. what is it Reflection?
5. what the relations between JSP and Java Servlets?
6. what is it Remote object and how is it created?
Thanks in advance.
Tomer

Hello.
I have questions about Java technologies.
3. what is it Stud&Skeleton and how are they created?http://java.sun.com/docs/books/tutorial/rmi/index.html
4. what is it Reflection?http://java.sun.com/docs/books/tutorial/reflect/index.html
5. what the relations between JSP and Java Servlets?http://java.sun.com/docs/books/tutorial/servlets/
http://www.apl.jhu.edu/~hall/java/Servlet-Tutorial/
6. what is it Remote object and how is it created?http://java.sun.com/docs/books/tutorial/rmi/index.html
happy reading!
cheers,
p

Java Technology Forums Survey

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