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I am trying to see some usage samples of JPA orm.xml. If some one direct me to a link,
The schema is here,
http://java.sun.com/xml/ns/persistence/orm_2_0.xsd
There are lots of samples of each mapping type here,
http://en.wikibooks.org/wiki/Java_Persistence
Lots of examples here,
http://wiki.eclipse.org/EclipseLink/Examples/JPA
In particular,
http://wiki.eclipse.org/EclipseLink/Examples/JPA/EmployeeXML
This may not be a complete answer but, http://www.jpox.org/docs/1_2/tutorials/jpa_tutorial.html uses JPA 1.0. However, it was of use when I created my ORM.xml for JPA 2.0. I know "Enterprise JavaBeans 3.0" from O'Reilly has good examples too. Otherwise you have to look at the schema (would post the link but apparently I don't have enough rep to post multiple links) and match it up with annotations examples...at least that is what I had to do.
ORM.xml appears to be falling out of favor for the annotation version, which explains the difficulty of finding any good examples of ORM.xml file.
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I am looking for something like jsfiddle but for java, so that code snippets and classes can be shared and tested.
At the moment, I am using a combination of pastebin and compileonline.com. I would rather not sign up for a huge online compiler service, just a quick and dirty code sharing/testing platform, that provides unique URL's for my code snippets.
I have seen other people asking similar questions:
https://stackoverflow.com/questions/15320286/is-there-online-compiler-for-java-like-jsfiddle
But there doesn't seem to be just the right tool. Anyone provide any pointers?
I tried using http://ideone.com/.
It supports a bunch of languages, including Java.
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I can't find any documentation for Jagatoo, except for a single PDF in the doc folder. Is there any at all?
Would make it a lot easier to read about the structure, rather than investigating it all.
Read the source code.
Source code really is the best documentation in the absence of adequate documentation. I find that if I really want to wrap my head around a framework or library, the best thing to do is to dedicate an evening (or weekend, depending) to a proper deep dive of the source code. The added benefit is then that you know exactly where missing functionality needs to go if you want to implement it yourself, and better yet, contribute it back to the Open Source community.
PS I presumed you meant that the PDF on this page is the only one you could find.
You could potentially also look at how Xith3D makes use of JAGaToo.
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Whenever i search in the internet for log4j tutorial, i got the sample property filr or configuration file, but did not get the tutorial on how to configure property file and xml file...
The official documentation of apache for log4j is not clear,
Can somebody post the link for log4j tutorials...?
If there is any books available online, it would be helpful to download and study..
This tutorial from Lalinuna is great. There is also pdf and source code with snippets of code. Go for it :)
The Log4j manual covers every aspect, from API to configuration. It's quite short, but very complete.
Here's one. I've found another link for you.
DZone's tutorial*
*(this chars is just to pass the answers's body validator!!!!! ;))
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Where can I find Spring 3 IoC JavaConfig (annotations) tutorial? If possible, please provide tutorials with source code example in SpringSource Tool Suite/maven project.
Thanks.
Update: I would like to have working examples with source code that I can immediately compile and run. There a number of old working examples for Spring 2 IoC (e.g. books' examples etc) but I still can't find for Spring 3 IoC. Thanks.
Start with:
Spring Reference: Java-based container configuration
If there's anything you don't understand, ask specific questions.
Mkyong.com have few examples (1, 2) with source code. Finally found answer for my first stackoverflow question after about half a year.
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Please provide a good, thorough tutorial about Java class loading, focusing on how to extend that mechanism and how to actually work with the extension.
There's obviously Sun's trail which gives you the technical foundations. I find that despite being thirteen years old(!) this JavaWorld article is still a very good place to start - the technicalities of classloading haven't changed much or at all since then, to my knowledge. (Someone please correct this if there have been any important changes since then!).
IBM are usually good for technical Java articles, and they don't disappoint here. O'Reilly also have a more recent article that covers much the same thing but has a pretty diagram in it. :-)
The Mindprod Java Glossary has a good description of what a classloader is and lists tutorials and technical articals at the end of the page.