I'm trying to create a custom button based on AWT Canvas.
My problem is that I can't get the background cleared and thus
I see the artifacts from the previously drawn button states.
I've created a runnable test case for you (please see the

I try to draw the line like this on the screen, but when some menu show
up my line is not draw correctly. Anyone know how to solve it thankyou.
Follow this code. I tried paint() and paintComponent() but it doesn't
work both.

   I currently have a JTable - displaying a boolean as a CheckBox
   Now I want to amend the backgound colour for those checkbox entries that
are selected.
  I added a custom cell renderer as shiwn below;

I'm new at java and I'm developing an application that uses JTree.  I
would like to have a different action take place when I right click a
selection.  Can this be done?  If so please let me know how or post a
link to an example.

Hello all.  I have a Java applet with pan and zoom features on a graph.
I am trying to get the zoom JButtons to change color (by applying a
different icon) as the user zooms in or out, indicating the level of
the zoom.  But I can not get the icon to change, or perhaps the panel

I wish to have the look and feel of my windows and the JTabbedPane as
it is there on the apple's site, following link in particualar:
https://swdlp.apple.com/cgi-bin/WebObjects/SoftwareDownloadApp.woa/659/wo/fxzwdl
4t1rNEfzfgyMzuZg/2.5
Can anyone tell how to get this kind of L&F

This is my problem:
i have to create a rectangle figure with a text in its center: this is
my code:
private void createActionPerformed(java.awt.event.ActionEvent.evt)

I am Pretty New to java swing.
I am displaying the Runtime.getSystemResource().FreeMemory Information
in the textField.
I want this information To Refresh every 10 seconds.

I wonder if anyone of You has come across any decent implementation of
"(Sort)Tree-Table" for Swing?
I've found the following things but, after some testing, I've noticed, that
they don't seem too robust and have some quirks in "looks" and "feels":

Hi Swing specialists
I have a JFrame (see TabOrderFrame below) containing several panels. All
these panels are separate classes (TabOrderPanel1 and TabOrderPanel2
extending JPanel).

here is a piece odf code....
it creates and returns an instance of JTable.
the query if perfect.
public static JTable getResult(String query)

I have created a JPanel object.
JPanel my_panel = new JPanel();
I have many component added on this JPanel object.
Now, I have make JScrollPane.

After strugeling through APIs and official tutorials I finally though I
understand the thing, but nooooo... I'm trying to make my spinner spin
from 00:00 to 59:59 (mm:ss) with seconds increasing by 1. Can anybody
tell me why stuff below dosen't work? I've run out of patience for

Lets say we have selected called setRowSelectionInterval(75,76); but
without moving the scrollbar only 50 entries are visible. How to make
75th and 76th rows visible?
In JList there is a method called ensureIndexIsVisible() so that the

Still nothing I got any experience in a printing SVG graphics from java ?
I try to cut my graph on a few papers I choose from page dialog.
If I save SVG on disk and print it, it takes too long for a saving, and
still need to wait to print dozen of pages.