I'm using a JTextArea inside a JScrollPane inside a JPanel as the
"msg" field in a JOptionPane.  Trouble is, my JTextArea has many
lines, and the JOptionPane expands to accommodate it.  I need to limit
the height of my JOptionPane, but for the life of me I can't find the

I have a JTree whose icons I have changed through my own tree cell
renderer (which extends DefaultTreeCellRenderer).  I overrode the
method: Component getTreeCellRendererComponent.
For the most part, the renderer works.  The icons are changed based on

Hi, I'm working on an application that uses a toolbar. I have written
the code below. My problem is that the icons that I'm using are of
different sizes that's why the the toolbar doesn't look so good. Is
there a way to make the buttons of the same sizes? Thanks..

I have a question about keeping logic/processing code off of the GUI.
In a couple of other languages I'm familiar with, there is usually a
method called FindComponent which will iterate through a form and get
the component matching the name in the argument.

I have problem with JDBC.
I am using netBeans 5.5 along with MySQL 5.0 And connector/J Driver
for the same.
I have installed it properly.The program doesn't work.

I'm trying to create a window that has not the ususal rectangle form but a
roundrectangle form.
How can I do this ?
All I can do is create a JWindow and than draw a roundrectangle but I still

I have a swing app where I catch mouse clicks on the frame icon of
jinternalframes.  I do so using this code:
((BasicInternalFrameUI) jinternalFrame.getUI()).getNorthPane()
    .addMouseListener(new MouseAdapter() {

Its hard to distill into an SSCCE, so I'll describe the problem as
well as I can...
I have a (rather complex) view, layed out with GridBagLayout.  It
contains a JPanel in the very middle, which has a slightly transparent

I was hoping to know how I could get the text value of a gridview row.
My code is this way:
<asp:GridView ID="GridView1" runat="server"
   AllowSorting="True"  AutoGenerateColumns="False"

I'm trying to remove a button, and replace it with another component,
when a specific event happens.
The following code doesn't seem to work correctly, what am I missing?
import javax.swing.*;

I've got two lists and one button, ( you can run the code below to see
it ), top list is a listing of the current directory, press the button
and the selected files above should get moved into the list below.
When I step through it, it looks like it is doing the right

I created 2 JFrame forms. After I clicked first JFrame, it open the second
JFrame. I would like to close the first JFrame when second JFrame is open.
How can I do ?
   private void jRadioButton1ActionPerformed(java.awt.event.ActionEvent

I'm new to Java and trying to create a simple GUI for the first time.
Is it possible to layer JPanels and setVisible one at a time ?
I'm creating 3 JPanels, and I want to show 1 of the 3 on the main JFrame
Content Pane under menu control.

I want to have a long JLabel, but I dont want my entire dialog to be
sized based on this long JLabel -- I want the JLabel to wrap, & I want
the dialog size to be set by other controls.
So I want something like this if the control (for ex. a JTextField) is

i am looking for a solution to log the errors in my application, how schould
i proceed to do that?
i will be enough  if i could save any print trace of any exception that
happens .