I can not tell what I am doing wrong here. Can some help me on this
one? I am also unsure as to how to make it repeat untill stop is
entered?
First file code...

Hi, everyone. I am new here, please be patient. :D
Here is the thing, I need to design a class that represents couple
buildings. Within those buildings, I need to put some random lightened
windows which can be showed by using yellow squares. The random part

Hi, I am a newcomer to Java and I was wondering how you would push a string
onto a stack. This is my code:
...
Stack astack = new Stack();

How to detect the "silence" in a File.wav, during recording.
Thanks.
Kar

    I have written a Java applet that I run from the command line
using appletviewer. I used policytool, setting the CodeBase to the
directory with the applet class, and gave "FilePermission," with a
target of <<ALL FILES>>, with permission to "read, write." After using

The way I understand it is the JUnit test module never actually gets
called.  The compiler just simply sees it and runs it.   I can get it
to work but I can't figure out a way to pass parameters to it.  If it
never gets called how does one pass parameters to it?  I tried using

A few days ago I posted a question about implementing
an immutable object in my design (the final answer
being to do it just like Bloch says to do it in
Effective Java).

Is there a Probabilistic Public-Key (asymmetric) algorithm already
implemented in Java? Googling around does not provide me any relevant
info.
Thanks in advance for any info.

i m facing problem in running tht code
i also followed these stpes in order to connnect java with access
control panel->administrative tool->data sources
ODBC ->from user data sources select MS access data

I am using rt.exec to run OScommands(Unix commands and scripts from
java), however the PATH does not seem to be set, so I have to specify
the full path of the command I want to run (e.g. /usr/bin/lp).
How can I set the PATH so that I do not need to specify the full path

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OOPS and CORE JAVA

Is there something that would allow a java program to perform similar
operations as http://www.autohotkey.com/
Ideally, I would like an API to autohotkey but it apparently does not
exist.

On occasion I am getting these nasty lockups in my GUI,
something must be deadlocking, or maybe I execute some
code outside of the Event Dispatcher... Using
  SwingUtilities.isEventDispatchThread()

I have a a jsp page that enters the form values into the database. I
need to check if the userid entered for new signup is already taken.
If yes, then I need to show an alert and then remain on the same page.
I am unable to stay on the same page after showing the alert. Is there

I'd like to override some java system properties (and, if possible, add some
others) so that
they are changed for all executions of the JVM on my PC. Is there any way
to do this. Perhaps a directory under JAVA_HOME where I can place a