Boy, regular expressions almost deserves its own topic!
I'm trying to debug my expression that matches an alphanumeric with any
number of dashes (including none), except at the ends and obviously
disallowing two or more consecutive dashes.

1) Why a public class whould be stored in a file have the same name as
that of class? Is there any reason for doing this?
ex -- Test.java

I have written an app that will connect and listen to an input from my sound
card.
At the moment I just display the waveform on a realtime graph, which looks
pretty cool, but now I want to try and add a guitar tuning module just for

I am looking for a java profiler to check the memory leaks in my
programs. But I have'nt used one before. Plz can anyone suggest one
good profiler that i can use with my JBuilder editor.
Thank u

two functions test1 and test2 does the same thing but test2 performs
nearly 20 times better than test1. JVM is unable to optimize the code
in test1. is there a way to tell the java virtual machine to do this
kind of optimization at compile time or runtime?

SUBJECT: Error using Oreilly's packages...?
I have my Java Servlets under
/local/tomcat/webapps/hari/WEB-INF/classes
My Java Servlets use Oreilly's predefined classes and I use that so as

I m fairly new to programming. The problem that I need to solve this
time is we have BEA Weblogic 8.1 installed on our server here and there
are client installations on about 20 workstations all running on UNIX.
Now, what I need to do is write a java/perl program/script to get the

We have a java application that runs on windows servers and accessing remote
files using a UNC path name. We have been asked to move the application to a
solaris machine. Will the UNC file access work the same we are creating
simple File objects to do this.

Yesterday I thought see what I could find on "Closable Tabs in
JTabbedPane". Our own framework library at work did not have anything
useful and neither our COTS libraries. A quick search of the group was
equally unhelpful. At any rate here is a long overdue contribution

I want to use the <html:link> tag to make a link to a certain webpage.
The URL of this page is a string that is stored in the database. So how
would I specify this string in my tag? For request parameters, one can use
the paramId, paramName and paramProperty attributes. But can the ...

Hi, I have a swing gui that contains graphs, which are just modified
JPanels. I want to switch one of the graphs while the program is
running. I have tried to just switch the reference of the old graph to
the one, but this has no effect.

The new Java construct generic is a waste of time - I just read about it.
Not sure if construct is the correct word to use,
but the point is using generics only slows down development.
I understand the reason for using generics: to avoid run-time errors caused

If I store an object in the session, is there any possibility the user
could change attributes of this objects? For example by changing cookie
content? Where is the session objects info stored?

i'm reading XML files (with Xerces SAX2). The thing is the strings are read as ASCII (8bits) instead of UTF-8 while UTF-8 is specified as the encoding of the XML file.
I googled a little bit but i didn't find THE way you must read strings from XML in java, so i'm asking.
Here is my ...

I'm trying to validate a replacement string during construction time,
but the only way I found is really ugly. Please let me know if there's
a better way.
Thank you,