I have a JFrame that I put two components, one on BorderLayout.CENTER
and the other is at EAST.
When I cover with another window, and then uncover,
the part that is uncovered does NOT refresh.

private Vector<Vector<String>> vector;
....
vector = new Vector<Vector<String>>();
int index = 0;

I am trying to write output to a text file. But I am not sure whether
the results I get are normal.
I try to write out in ASCII format in order to be able to read with MS
notepad. I have followed these 3 different tryout small programms (they

How do I find the container directory for a particular file when it
gets executed?
Ex:
c:\Tomcat\shared\lib\xyz.jar  (xyz.jar contains abc.class)

I'm trying to write a file with a description/header at the front.
The header can't be calculated until all the bytes are written.
So far, I write a dummy header just to consume the space.  Then
I write the actual file.  I'm stuck on how to backup the file

This assignment is intended to familiarize you with functionality for
maintaining state in user applications, with a focus on login and
navigation. For this assignment, you will need to submit the following
separate files:

I just had a question. How do you trim strings? OR rather how do you insert
the command into java to trim strings? Since I have a program here that uses
many strings for entering data(numbers). But I get and exception numerica
runtime error.Thanks in advance.

How can I set up a mouse listener for a JFrame's titlebar?
Thanks
Jeff Higgins

I've been trying to get two parameters passed from a html to a jsp
page. I can read the correct values of the passed parameters but
I am having difficulties distinquishing between those values in an
if-else statement.

Ok, I am now officially confused...
I read http://java.sun.com/j2se/1.5.0/docs/guide/jpda/jpda_spis.html,
and
deployed my connector (for now, just to see that it works,

Is there a simple way to do 'smart' number formatting in Java?
My program accepts a double as input in a JTextField.  Their input is parsed
and stored in a MySql database through JDBC.  The next time the program is
run, the field is read from the database, and displayed in the ...

While signing my own jar files is a trivial process, why is it that 3'rd
part libraries I wish to distribute as their own jar files (to achieve
Java Web Start application segmentation) fail with a "jarsigner: unable
to open jar file" message?

I'm looking for a technique to tell if a class file contains debug
symbols (meaning that it was built with the -g flag enabled).   The
simpler the technique, the better.
We aren't getting line numbers in our stack traces and are trying to

i am printin an output to a file
but i need all the data, but for some reason my dad gets written over
by the following at each iteration. here is my algorithm.
bascially i need a list of t(n) in a file:

java -server
Error: no `server' JVM at
`C:\Program Files\Java\jre1.5.0_04\bin\server\jvm.dll'
How do I get the server vm?