Hey all,
I'm hunting down a problem that I've had for days now.
I have two JSplitPanes, splitA has a left and right side, and splitB is
contained in the right pane of splitA. splitB has a top and bottom

I have a subclass of JPanel that overrides paintComponent.    I can
draw fine within paintComponent or from methods called directly from
paintComponent (I pass the graphics object as a parameter.)
But, if I try and store the graphics object as an instance variable in

The method setRowSelectionInterval(int from,int to) selects a
contigious sequence of rows. But if i use it for the second time to
another set of contigious rows, it clears the previous set of rows.
Is there any work around for this?

I wrote the code to realize lighting specific code in the Document Object.
( this function is similar with the syntax light in the IDE)
I use insertString(int,String,AttributeSet) method in the Document Class to
add the light to the specific text.

I'm trying to output text to a textpane.
textPane.setText(string) only works for the first line so if i was to
call it again it overwrites what i just wrote.
How can I keep outputting text to a textpane and just add it to the

In my constructor I am generating a gui.
My problem is with the text (on JLabel) to the left of the JTextArea.
I need the text on my JLabel to be in the top-right corner.
At the moment it is in the middle of the middle.

Does anyone know the format of pixels for an image of
TYPE_USHORT_565_RGB format? I have an application that receives a byte[]
of pixel information in 565 format so that two bytes contains an
individual pixel.

I was annoyed at how the keyboard sits idle during most Java graphics
programs. Alt-keys are awkward and slow. As a public service, I wrote a
utility that brings the keyboard to life.
It's at timothyhowe.com/software -- click on OverlayMenu.java. There

I'm getting exceptions in my AWT-EventQueue-0 thread long after my gui
has been created and I've got a problem that I think is related to the
way my GUI is created. So I need to understand this better and try to
hunt down this problem. I'm really getting confused between the new way

I'm trying to write a program that would at a click of a button collect
values of JTextField and assign them to variables of different class(see
code). As I see it this would be done best in a ActionListener class,
however this class does not see local variables of a GearFrame class ...

I am putting together an scatter chart type interface which shows a
relatively large (1 thousand?) number of points. I was planning on using
either polygons or gifs to put on the screen in paintComponent. One of
the requirements is for the user to have the ability to click on a ...

I have currently created a widget wich displays a map. Now I want to run
robots on that map. I have created robot widget wich implement the
runnable interface and so in a thread move forward, backward, ... .
But now my question is, is there a way to do this without threads ? The

Hi!In my app a have a  small JPanel ,which represent a pc in the LAN.I
want to Drag and Drop an IP,a string generally, in it ,so that the IP
appears on top of the Panel.I have a JLabel there.So far I have managed
to make the Drag and Drop feature possible only when the string is

I wonder if I am in the right place but I would ask some java experts who
have long relationship with Java development environment. I have ready
software that displays real time stock prices. The data is displayed in a
table as internal frame (or tables in different internal frames) ...

I was wondering how I can implement a JLabel that references to a http link.
When I click that label the default browser should open and loading the webpage.
This is for a JDialog 'About' window.
I've seen this several times, but I've no idea how to implement this with