I have a couple of columns in a JTable where I need
to validate or enforce the following rule(s):
Col 1:  0 < n < 5 || n=="";
Col 2: 0 <= n < 1000000, max 6 digits (ie. 999999), n!="" (required).

I've been developing an application, where in one part of it i need to
drag Jbutton(s) to JPanel. First i used absolute values for JPanels and
JButtons (to try out how i can make JLayeredPane respond to dragging). I
used listeners to promote button to draglayer and back to normal ...

I wish to put a drop down where to choose from when the user edit a certai
cell of a jTable.
The drop down should appear in the position of the cell thas is going to be
edited....

A JTable consisting of strings using the default editor requires the
user to double-click on the cell to edit. I would like to set up my
JTable so the user can start editing after a single click or
immediately after arriving at the cell using the tab key. Is there an

I currently have a Jlist within a scrollpane which displays a number
of "Bot" connections to a server.  Everything is working fine until I
introduce a timer in order for the connections to be delayed ( ie
connection 1 occurs at x seconds, connection 2 at x+5 seconds,

I know how to set Swing to close the window, when the [X] is pressed, but I
need an event to respond to, when a window is closed. Do you know one?
Thanks in advance
S?ren

Hi, I'm stuck again in the little program I'm developing...
Having a bit of trouble in displaying information in a JLabel by using
array's. I work with 2 seperate classes: GeneralInfo.java and
GIHelpClass.java

I am planning on learning the Java language.  I have heard it is very
useful, and integrates well with Macromedia ColdFusion.  Not sure about
details, but I guess that comes later.
Anyway, I have a small project at the moment and I wanted to be sure Java

Background:
using Java Ver. 1.4.2:
I have a static Inner Class that extends JDialog and implements
FocusListener. It contains the FocusListener 'focusGained' method that

Gday Folks,
Im currently deciding whether or not to write off a project of mine....what
I have is a JAVA program which I would like users to interract with via
voice prompts for example Withdraw X, deposit Y. I have been looking at the

I'm worried about calculating the width of a given string and a given font
OUTSIDE of the paint() Method.
Let's say  someone enters a word into a JTextArea and presses the calc
button I'd like to tell the width and height of this string in pixels.

In the code below, the function setDefaultCloseOperation doesnt hava any
effect if I put in the constructor MyFrame, but the same works when it
set after the  object is created(see the commented line). What is the reason
for this behaviour.

I have problems problems restricting length of Japanese input
in JTextField. I use the following Document for restricting
the input length:
import javax.swing.text.AttributeSet;

a very simple case: I have a JFrame (640x480) and set a GridBagLayout.
All I want to do is tho set the added button at the top...why the hell
doesn't this simple sample work? The button is ALWAYS centered.
...

I have spend a lot of time looking for a solution to set a minimum size
to a window (JFrame) containing a GridBagLayout. The simple code bellow
shows a sample of my problem.
import java.awt.Dimension;