while i am trying to submit form to servlet , though things are doing
pretty good ,but mysteriosuly ,as soon as the servlet gets the post
request it throws an exception ,which when is printed (Exception
e.getMessage()) states "Size not matching" . Following are the related

Has anyone measured how expensive creating threads really is in Java?
And how much memory does an Executor's thread pool consume?
I know that forking a new thread (basically a runnable) takes less
than a millisecond. I haven't measured how much resources does a

I'm a bit stuck. I have three tables over which I want to spread let's
user informations. I have a table where I insert username, pwd. Then I
have a table with extended user info where I want to insert forename,
surname etc. But for this insert I'd need the id from the first insert.

I would like to use one particular class from Mustang in my app:
JTabbedPane. The latest version allows custom components to be added to
the tabs themselves.
I found a thread in the JBuilder group

I have a stack class for a certain purpose which never needs to store
more than a few dozen doubles and was written like this:
    static final double[] doubleStack = new double[128];
    static int doubleStackIndex = 0;

Can anyone point me to a resource that contains any information on
patching a Java destop application once it has been deployed?  I'm sure
the standard Java library must contain facilities I can use to build a
patch program but I'm not sure where to begin looking.

ok i need serious help
Im using this as a basic example
lets say i have a class
public class AddNum implements Serializable

Hello, I'm wondering how I can enumerate the functions of an applet
(like document.applets.myapplet) ?
In javascript, I can get the properties using
for (prop in document.applets.myapplet) // do something with prop

someone once mention that myfaces required jdk 1.5 (not 1.4) is that
true..
on another matter, i've heard that using adf faces gives you a non
standard look and feel of the web (image buttons insread of regular

Does anyone know of any extensions to JUnit or any other testing
framework that would allow me to put checks on the memory footprint of
my java app? I'd like to ensure that major refactoring etc doesn't blow
out memory bounds.

Hi I'm trying to create a program that uses a image as a background.
When i figured out how to set the image to the background of the gui it
wouldn't let me place buttons or textfields on top of it. This is how i
did it...

I am working on an application where a servlet need to handle min 600
request / sec(which will keep on increasing in future)
So I am not able to decide which application server I should use.
As I go through some benchmarks I came to know that Jetty's performance

Hi, I want to serialize and write an arraylist to a file, but the
problem is the strings in the arraylist needs to be encoded in
"windows-1254".
My current code is like:

I created two files:
PreConditionExample.java
public class PreConditionExample {
    public double sqrt(double p) {

So when I try to run a batch file that contains the path of an
executable (specific to my project), then it runs properly, spewing out
relevant data as desired. But when I try to run the same batch file
through Java's Runtime class, then the program hangs on me. Here's the