i want to write a program that reads an integer between 0 and 1000 and
summarizes all the digits in the integer. For example, if an integer is 932,
the sum of all the digita is 14.
Does anyone knows how to do this?

I am experiencing poor performances with my app, where I make use of
several GridBagLayout, and I suspect the problem come from there.
basically, I have around 20 instances of a JDialog object, each with
around 20 or 30 small components (JButtons, JLabels, JSpinner,

Does anyone know what causes a JLabel to show:
+ ellipsis?
+ all-or-nothing?
+ multi-line?

I've seen this GUI component for many years, even on the old Apple's.
What's it called???
It looks like this:
               Listbox 1:                    Listbox 2:

First a little example: In Adobe Photoshop on Win2k, you have a main
window with all images in it, and several small side windows with the
tool options in them. These tool windows behave a bit like JInternalFrames.
Unlike JInternalFrame they can also be displayed outside the main ...

when closing my program I would like to start a Thread which does some
cleaning up in the background, but opf course before exiting I need to
be sure, that this Thread has finished running...
How can I wait for that Thread to finish, the following code does work,

Why do uncaught exceptions in a JButton action listener not cause the
same behaviour as uncaught exceptions in a console application?
For example, consider the following console application:
public static void main( String[] args )

example like when there are 10 tabs inside the JTabbedPane, when user click
on tab 1, I want it to display the particular tab's title into JTextField.
I try add mouse listener into JTabbedPane but no response when user click on
that tab. (nothing display in JTextfield).

I'm getting an IllegalMonitorStateException in trying to implement the
above subject. The static declararions made it work, so if this is
part of the problem let me know. I think it has something to do with
the synchronization. I think I'm accessing the bin when I'm not

I have encountered a problem which is reported multiple times in this
discussion group, and over in .programmer as well.  That is that
HTMLDocument.getIterator mysteriously returns a null value for some tag
types, while working, equally mysteriously, for other tag types.  In all

Hello guys,
I have a rather strange question about setViewPosition (in
JScrollPane), it seems not working sometimes under certain conditions,
but I can not find out the reason. My program is doing something like:

Hi :)
I need to navigate around different JFrames.
I´ve got:
class MainView extends JFrame

Is there any way to get a JTable to display its column headers along the
bottom of the table rather than the top?
Thanks,
Sandeep

I am using HTML web pages for the help on my application.  I would like to
have the title displayed on the frame where I am showing the web pages to
reflect the contents of the <TITLE> tag in the web page.
I tried Document.getProperty(Document.TitleProperty) but that returns null.

here is problem I want to add global keylistener to my application.
For example when I press F1 some f1 action is executed, for F2 f2 action is
executed, etc....
What I found that this  method addKeyListener from Component class works