I have JPanel (jPanel1 )on right hand side of a JSplitPane I have
applied GridbagLayout to jPanel1 and added two more JPanels (jPanel2
and jPanel3) to jPanel1. I need to make  sure that the size jPanel3 is
not changed when the divider of the JSplitPane is moved. Kindly advice

Regarding: Airline Information system project dBase connectivity.
Initially we made GUIs using swing in 1st Iteration.
we tried different layout, & we are ok with that.
But as project demand is to make Airline System online.

i have a JFrame on which 4 JSplitPanes are nested. Each JSplitPane
other than the last one contains a JPanel and a nested JSplitPane. The
last one contains two JPanels. I need to capture the event when the
divider of JSplitPane is moved so that make some modification in the

  I'm using a JTable for a properties window.  Some of the properties
need 'masks' to force certain formats.  I know how to use a custom
renderer for an entire column, but can someone point me to an example
of using a different renderer for different ROWS in the same grid?

Today, JTree is driving me crazy. Two things:
I've got two trees (A and B), depending on the selection in tree A the
content of B changes. So far so good. Now, I want to automatically select
some of the nodes in tree B, depending on their type.

Hi, there,
I thought this would be simple but I didn't find any answer by
searching.
My problem is not how to restrict user input to JTextField to a fixed

*every* java program (not only mine) with swing gui has *very* slow
update process (about 3 frames per sec) when I change the window
(resize, scroll the scrollbars etc).
I see when a window draw itself from up to down slowly.

I am new to java but have c++ experience. I want to write a application for
data entry that connects to a DB. Are the standard Java "data-aware" or do
I have to put /get the values from and to the DB ?
It not, does data-aware controls exist and where can I find them ?

I have a JTextField in a TableCellEditor.
With a KeyListener I catch JTextField's Shift+Enter compination to add
in text a special character.
The weird is this:

I have deployed my Java GUI to our local intranet and it does start up
as expected by kicking off Java Web Start.  However, when I press a
button on the GUI, I expect to see a webpage, but nothing happens.
The same GUI runs fine, with the expected results when I run it from the

How can I specify which folder JVM will look for images?
I use getClass().getClassLoader().getResource("myimage")
Right now it looks in ../ directory but I would really like it to look
in my ../../src/ directory

I have a Java application I have been developing and using for years
on Windows.   I just recently  started testing this application on a
brand new iMac with OS X 10.4.10 and Java SE 1.5.
The Mac version of the application looks different that the Windows

I tried JButton.requestFocus() in a Panel to get the focus on the
button every time I opened the panel.  It is not working.  How to
force the focus traversal only to the keys that we want. I am using
jdk1.6, Win98.

I am in the process of designing a very simple menu system which will
have a series of button, a sort of hierarchical system if you will.
What I would like to do is have each button open a webpage in the user's
default browser.  Is this possible and if so, are there any examples

Most of Java charts I have found are
XY, bar(high-low vertical or long-short horizontal),
pie, etc. So far I haven't found a Java chart
can do log (common logarithm) and ln (natural logarithm).