I sometimes see the following exception:
java.lang.IllegalArgumentException: Invalid location
at javax.swing.text.JTextComponent.getSelectedText(Unknown Source)
at

I have an application where I show a JDialog (sort of as a status
indicator). During this time, I launch an application like Excel
(which comes up successfully). Once that other application is
launched, I take down my dialog by calling dlg.dispose(). Note that

I am quite new to Java and thought that making a simple painting program
would be a good way to get familiar with how to deal with its graphical
features.  I'm using Swing and can see how to draw solid rectangles,
circles, lines, etc.  But what I would like to do is implement an

I have an applet, and I want it to fill all the browser window. To do this, I have this HTML, which works fine (note the 100%):
<applet
  width    = "100%"
  height   = "100%"

I am using a JFileChooser to select directory.
In JDK 1.4 all works fine. But in JDK 1.3, when a navigate into a
directory and select open, it does not work.
What I see is that in JDK 1.4 the path is visible in the FILE: text

I am running into a problem concerning the updating of a Jlist that
has a DefaultListModel and is attached to a JScrollPane.
The problem I am experiencing is a ArrayOutOfBoundsException.
I am adding and removing a lot of "bots" to and from the list very

Hello all..this is driving me crazy... I cant run applets
 in IE6.0 using the embedded Oracle 10g server.
  here are my peticulars...
   - Windows XP no service packs (offline machine)

Hi again,
yet another LayoutManager problem now that the GBL part is solved.
How to realize a layout that performs like a one row/one column HTML table
without any "width" and "height" attributes?

So, I'm trying to use an ImageIcon to display some pictures in a JPanel
(which is itself inside a JFrame)
Unfortunately, my ImageIcon is blank. I made sure I'm using the proper
filename/path, and that the image is where I think it is.

I need to know whether a JComponent is being (or has been) resized manually
by dragging its border etc. OR if it is the result of a programmed (by
myself) setSize statement.
Use: A window should automatically (programmed) adjust its size as needed

Can someone point me to information on the advantages and disadvantages of:
Java Application versus
Java Server Page based application versus
Java Server Faces based application versus

I'm looking for additional user interface packages for
the Java 2 micro edition.
Any tips and links would be appreciated!
best regards

My small application (JTree, JTable & JPanel) draws
data from database and everyting works just fine.
But now I want open button with the new database connected
to my application and all my components and it variables needs new

If I have an HTML document, and want to search for and highlight a
string in the document, is there an easy way of getting from the
character positions in the raw HTML to the corresponding selection point
in a JEditorPane?

  I'm having problems adding a MouseListener to a canvas.
I have a class that extends Canvas, and I can't for the life of me add a
MouseListener. I've tried:
Adding a MouseListener from within the constructor: