I have a web application running on JBoss. Every few hours I find that
the CPU meter of my machine is pegged near 100% and things are running
very slowly, although the application is still active and able to
serve requests.

First update table model.
tableModel.addData()...
Then update table display.
tableModel.fireTableDataChanged()...

Hi there... i'm trying to create a piece of software that will be able
to detect the opening of files of any extension that i specify... i
was hoping someone would be able to advise as to where to look... i've
been looking all around but haven't been able to find anything

I have a quick question....I am having an app built and am doing some
test on it to see how it runs, etc.  Java looks to eat up LOTS of
memory, but here is what I see.  I open the app and then create a
profile...another window pops up to enter the info...of course the

Here is a small demo:
import java.io.*;
import java.util.*;
class DeleteDir{

Hello, excuse me for my terrible english.
I've written a java application that works in background. It search
for a specific file until find it. During this search I'd like to do
other things (internet, email, etc...). However, I want to be advised

I am trying to set the background color of my applet to white but it
keeps coming up gray.Strangely when I open the applet on a local web
page (not live on the web), applet viewer (thru eclipse) or even live
on the web from my own home PC it appears white as expected. But from

I am running a simple test servlet in Tomcat 5.0.28. Essentially, I send the
servlet an SQL query, the servlet uses a connection pool to connect to a
MySQL DB.
Everything works fine. However, if, say, roughly, say, 12 or more hours

I need help writing code that converts a given name like into initials
and surname. For example, if a name is Ricky James, it should do R
James and if the name is Henry William James, that should become H W
James.

I want to have a static field variable. I want to initiate it once and
don't want it to be changed any more. So
public MyClass
{

Dear c.l.j.programmers,
I'd like to perform (efficiently) the removal of the first n lines
from a plain text file.
Does anybody have any suggestions

    I have a scenario where based on some config parameters, I create
an appropriate Business class instance using java reflection and
invoke a specific method. Now to avoid creating instances for each
request using reflection, I place the java object in a Hashmap once I

Why the most powerful java IDE are written in java?
regards.

Hello All, Having changed from suse to ubuntu I have to re-install jogl. I
followed carefully the method recommended on websites but it doesn't work.
With javac
I get the error "package net.java.games.jogl does not exist".

Hi, actually i'm using a struts + javascript to create HTML code that
i use inside a popup window...
My (working) code is:
idoc="";