I have a custom cell render for a JTable.
I create for each cell a JPanel that contains a JLabel and a JButton.
Question is, How can I get the actual rendered component object (the
JPanel) of a cell for a given row and column index.

I've recieved help from a number of people regarding the development
of this app, and for this I am grateful.  I've learned loads about
Java GUI from this project.
I'm at a stage now, where I'm using SwingWorker to control GUI

I'm trying to use BoxLayout for something as I have 1000 times before,
but this time I want all the components pressed together at the top of
the box.  I've tried adding glue to the bottom of the box, but this
didn't really work.  

I got some advice a few days ago, which solved a dissapearing menubar
problem.  But in implementing the solution the original JPanel
animation no longer works.  It should start as soon as the toolbar is
created (see main), but the panel remains blank.  I've tried using

Dear Sir,
As I can see many researchers have successfully used RENEW as an OO
Petri nets simulator.
I'm trying to simulate my java program with Renew 2.1 in my linux

I've cobbled together some code using NetBeans 6.1.  A reduced version
of the code is below.  When I run it, it sometimes shoes the menu bar
and sometimes doesn't.  Any idea why?  I'm also having some difficulty
with action listened, but I'll deal with that later.

I've been writing some C codes using gcc in the UNIX environment and
have no experience on the Windows environment. I figure I can still
write with gcc in Windows. But I'm not familiar with GUI in Windows.
I would like to use a free shareware GUI for Windows that will allow

I've made an application that stores data from textfiles in a database.
  This with for-loops in which I use the append-function of the
textarea to keep track of the progress.
The problem is that the JTextArea gets updated at the end of the loops.

I've a problem with items layout in JTree.
Here is a simple code which adds a lot of identical items to tree:
for (....) {
 DefaultMutableTreeNode childNode = new DefaultMutableTreeNode

I'm trying to use sleep( 1000 ) to time some GUI outputs:
for (int iDepthCtr = 1 ; iDepthCtr <= 10 ; iDepthCtr++)
   {
       try

In my JTable I made a custom cell Render that displays a JLabel and a
JButton in a cell.
And I have a cell Editor that displays a JTextField to change the text
value of the JLabel.

Can somebody help me to eliminate the error in the connection of JSlider
with JSpinner please?
Changes from slider to spinner work. Changes from spninner to slider don't
work, if I use the arrow keys.

I have a JTabbedPane for which I've set the SCROLL_TAB_LAYOUT so I get
a scroll button when the number of tabs exceeds the space they are
laid out in. It seems the arrows default buttons are kind of a washed
out grey however, which makes them appear disabled, even though they

I have a multi window application where the GUI components registering
as listeners to a global data source. In case a window is closing, all
components inside of this window have to deregister. Is there a easy
way for a component (an event??) to figure out, that it window has

I have a JTextField which the user can enter data, and this affects the
state of a JList.
I'd like the user to be able to type in the JTextField, but then press
the up-arrow or down-arrow to adjust the current selection.