We are new Java. We have a hierachy <Inst Dir>/CNV/src/com/xyz/abc for
the source code and <Inst Dir>/CNV/lib/com/xyz/abc for the class files.
The jars are created in CNV. There are some shell scripts in CNV to
execute the class files.

We have an application that runs under Tomcat and JSPs. We want to
authenticate the users' username and password against the Windows
platform's accounts. This is to prevent an outside web user from
changing program preferences (they can view, just not change)

I have created a JAR, Commercial.jar, which is comprised of the package
Commercial/*.class. My problem is that the *.class files in the
Commercial directory reference another package, com.adobe.pdf.*.  The
directories com and Commercial are at the same level. I've tried many

Thanks for reading.
I'm taking a class where I need to read in PGM files character by character.
We're given code in C but I'd much rather use Java, so I tried rewriting it.
I'm hitting a snag though: using BufferedReader's read() method is returning

Pardon the n00b question - How would you go about creating a list of
objects, where each object can contain a list of objects, and each
sub-object would have various properties(string, int)?
This is an example. The parent object would be forms of transportation -

I want to write some code to download some file and monitor the
download progress. I have an HttpURLConnection to the file I want to
download, but the contentLength is -1 for the connection, which means
unknown file size. Nevertherless, I can download the file w/o problems.

I'm working an application that controls various mechanical devices via
TCP sockets.  In order to inform various objects in the application
when the mechanism state changes, I've been employing the Observer
pattern.

I'm trying to run an application in z/OS environment.  The weird thing
is that it runs fine on our test servers and a previous version is
running fine.  The only change in the new version is to improve the log
files storage capacity by writing less to them.  This is the error I'm

which class implement connection interface in java and how

Hey all,
I am using the Runtime.exec() method do start other programs in Windows.
One of which is actually another java program, albeit started by a batch
file. When I run the batch file from the explorer or a command window,

I'm trying to extract text from a html page useing DOM. I used JTidy
first on it. The HTml itself is not very descriptive. Theres no
standout tags around the text I need to extract . The way I was
thinking of doing it was accessing the attributes, but I keep getting a

   how can i track the sites that send traffic to my site and how can
i get the user ip address that com threw referel sites any body can
help me
                                regards

i have some simple question reguarding static functions:
If i have some class that implements a static function that is called
from many places inside the app would every call have to wait for
termination of a previous call to that static function?

I need to calculate the roots of a quadratic equation by formula.But
how do I use the math.sqrt thing?

I am developing a web application with JSF and I wanted some navigation
buttons to be hidden depending on the user level. Is there any JSF tag
to define hiding conditions?
Thanks