Forgive me if this is an asked topic but
I couldn't find anything on this....
I am trying to do animation, say animate a vertical
line moving from left to right... I've tried

I am creating light weight button.
I have given almost all support.
But in application when user overriding paint method
my component is not visible.

I can't see the wood for the trees:
I've got a JFrame which contains a set of buttons and a main component,
which consists of various subcomponents, etc. The subcomponents contain
the data. The main component and the subcomponents are implemented in

I want to implement a GUI which uses image as background. I uses JFrame. I
managed to set image as backround, but when I resize the window I would
like that image(background) resizes too.
Thanks for helping me!

Since it's inception, Java has had numerous bugs with focus behavior.  The
one that seems to trip up most people is setting the initial component focus
for a Window or Dialog before showing it.  Because Java has it's own idea of
what the focused component should be you have to ...

I have a Yes/No dialog.
I'd like to let the user type in a "Y" or "N" to answer with the keyboard
as well as using the mouse.
When I type a "Y" or "N" into the dialog I get back a value representing

Hi to everyone,
   what i want to achieve is to run the depth first search algorithm(DFS)
in graphs step by step.
In my AWT java applet i have added a button STEP.

I have a JTable with a DefaultTabelModel.  I have applied my own focus
listener (lost/gained) to a JTextField which I am using as the cell editor.
My problem is this:  If I use the mouse to actually click into a cell, the
focus gained even will fire for my textfield and tabbing ...

I have a JTree in a JScrollPane.
The JTree completely fills the JScrollPane.
The actual tree of the JTree control does not fill the entire component
area.

With the JProgressBar  I want to present the loading of my application.
Which value would best represent the mentioned process?
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Outgoing mail is certified Virus Free.

I have to write code to move a component inside a container. For that I
need to set the clip area of the component to the container's bounding
rectangle. Is there a way to do that? I need to move the component
inside the container quite rapidly so I can't write lenghty bounds

I have an application that I am working on that calls an external
application via the following code
Runtime rt = Runtime.getRuntime();
Process proc = rt.exec(cmdLine);

I'd like to know how to write a blackboard.
There is a simple example on the web?
where can I find it?
Thankyou in advance to all.

yet another little thing about JPopupMenu. I'm wondering about the different
behaviour of disabled JMenuItem and disabled JMenu: when clicking a disabled
JMenuItem the popup closes but when clicking a disabled submenu (JMenu) the
popup stays open.

Anyone know of any other help sites (besides all the obvious ie sun.com etc)
that can help me understand GridBagLayout.
I keep changing the various coordinates (weightx, weighty, gridheight etc)
and I do not get the results expected.  I've read