I have an image of a map and want to correlate latitude and longitude
to the x,y of the image.  Is there a way to input a few points into a
mapping algorithm and then have it map the entire image?  Is there a
java library dedicated to just this or some code that someone can

I have a server which has a class that updates a flat file. There are many
client who access the server. My question is how can I lock the data file so
that each client writes its data to the file without corrupting the data
from the other clients.

The determination of a designation by argument types seems to
 be a common design principle in Java. Still, it is not
 implemented for type parameters. For example:
class parametrizedAction< S    >{ void of( S s      ); }

Hey guys,
I'm an IT professional. Working full-time the field and I've been
thinking of switching over to Java Software Development. I have a
computer science degree which I finished 5 years ago and I haven't

re: http://java.sun.com/docs/books/tutorial/java/IandI/objectclass.html
// why cast obj if it is an instance of Book?
// if it is an instance of Book, then it must have the method
available to it,

Our site is using URL rewriting for session tracking. As an added
security (although not fool-proof) we also check referer to be our own
site. All the links are currently http and we are planning to
introduce few https links.

Hello, I am new to the java envoierment. I have several questions regarding
this language:
1. How about using class initializer ? When it is run ? If i include a class
from package, will it be also an initializer run for every class in that

I have an annoying clicking noise whenever I start to play some short
wave file under linux & jdk 1.6
any workaround ???
regards

I'm on a stock(i.e. securities) project.
I have an applet showing the current prices of the stocks
and as required, the applet communicates with servlet and
servlet accesses database. Whenever prices changed, messages

I have JSplitPane, where the left panel is a JScrollPane with a JTree
inside, and the right panel is a JTable.
This is supposed to be something like the windows explorer, where I
have a tree representing folders on the left and the children listed

I hope all you Java gurus that have been around the block a time or two can
answer this simple question.
What's the easiest way to read an XML properties file of relative
complexity?  I know about Properties.readFromXML, but I don't think it'll

I am working on project, where the program creates multiple threads
which depends on other data stored in database. Threads can be n nos.
Also the process of all threads depends on other data (eg. Image
files). I have got one more process which depends on this threads. Now

Has anyone here used the JNI interface for ImageMagick (JMagick)?
Unfortunately, I'm finding it really hard to work with because of the
sparse documentation. The only help I've found is a FAQ that touches on
6 usage-related topics; the generated Javadoc consists of uncommented

Hope I will not get banned for too many posts :)
The code below does not want to compile. I get ""Possible Loss of Precision"
in the lines:
'j=last;'

I got a problem when sending the data from the serverside and getting
it back in the client side. We are not getting the object(here it is
DataTransferObject which is Serializable) as null in the client side.
I am putting the serverside code.