I have a JButton when clicked, an action performed is implemented
which disables the JButton and starts a thread. But, the end user
doubled clicked the JButton and it created 2 threads. Please let me
know how to stop creating 2 new threads. I did disable the button in

I don't manage to get a maximized JFrame automatically.  I have to do
it manually.  After hours of search, I just don't find the way to do
it.  Can anyone help me?  Where is my fault in the code?
import java.awt.*;

Hi there, this is my last hope of using sql, ive collected loads of
tutorials etc of just connecting to a mysql database, but so far all have
been the same, therefore none have worked.
This is my code so far:

I am using JEditorPanel. I want to get the x, y position of caret as
follow:
some text |
         ^ (this is the current caret, I want to the know

How to use "Ctrl+Tab" key to switch between JInternalFrames ?
In the project I am currently working in, five JInternalFrames
instances are added to a JDesktopPane instance.  There are quite a few
GUI components such as panels, buttons in each JInternalFrame.

 is anybody using XML to build Java Swing or Eclipe UIs? Can you you
let us know what toolkit you use (e.g. Thinlet, SwiXML,
JellySwing/SWT, Ibex, XUI, etc.). Is it any good?
 - Gerald

Hi to all,
I don't understand how to dynamically update the visualization of a
component, that is:
I need to change the icon of a JButton and during the execution of the

Thanks to many detailed comments and helpful suggestions the FormBuilder
went through  a  visual/usability overhaul while the core functionality
remained stable:
SwingEmpire FormBuilder helps in quickly building GUIs with JGoodies

I'm using the JPasswordField to get the user insert password. Previously it
uses getText() to retrieve the password, but now the getText() for
JPasswordField has been deprecated, the getPassword is recommended instead.
But i have no idea how to retrieve the data from the ...

we've encountered a very strange phenomenon with our Swing-based
application:
A HTML-page inside a JEditorPane is being displayed in a "reversed"
fashion,

I have a trouble with my table. I install my own HeaderRenderer that I
can customize it. All is right.
Now I have other customized renderer that I install for each column
like this:

I've made a Swing-based application for designing relational database
schemas, where the majority of screen area is devoted to a "play pen"
component which works much like a JDesktopPane: It contains draggable,
selectable rectangular components which represent the database's

I'm trying to develop an overview+detail map, sort of like those you
see in games like Warcraft, starcraft. So basically i want to have a
thumbnail version of my map, and a rectangle that you can move around
on that thumbnail, and then the view of that rectangle is blown up and

I would like to set a static header on top of the JTextPane to show the title.
How do I go about doing that?

Hy to all, excuse my bad english.
I'm trying to insert a keylistener such that, pressing whichever key during
the execution, show message dialog with the key pressed. I'm almost sure I
didn't understand. I added keylistener to frame.getContentPane(). Is that