I encounter a weird problem: I have several JPanels (ImageObject) on a
JPanel (topPanel) inside a JScrollPane (both inside Folder) - the
ImageObjects get displayed fine - but the JCheckBox and JRadioButton
which are positioned on the ImageObject (which is a subclass of JPanel)

In order to understand how to add columns to a JTable i made this small application. I think it may help somebody so i decided to post it.
I haven't seen such a tutorial in java website.
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import java.awt.event.ActionEvent;

Is it possible to paint a JComboBox yourself. I want the selected item
always be the first item in the popup menu, now it is at the bottom of the
popup menu
John

deriveFont wont work after createFont
.....................................
Hello,
I created a font using a font file say font.ttf using the method

I'm coding a game, and when the user presses an arrow key, it calls up a
move character method, which might call an entity interaction method,
which then might call a load map method wich throws a FileNotFound and
IOException.  The problem is that the keyPressed function won't ...

Hi group,
Is there any way to tell a Java application _not_ to emit a beep
whenever an exception occurs?
I'm working on a program (mostly finished, but not completely) that has

Is there a way using Java and possibly Swing, to add right-click
context menus to nodes of a tree.  What I am trying to do is add
different right-click context menus when the user selects different
nodes of the tree.  

Ive been wrestling for nearly a day with what ought to be a simple
algorithm. I'm trying to find leafs on a JTree where the data emanates from
a given file (which has an integer index), whereby I delete the leaf itself,
and the entire branch all the way up to the root node such that ...

I'm teaching myself java and have been trying a small gui
example from a book, using swing.
Basically, it creates a window with a couple of pull-down
menus. I've found it to work fine on solaris, linux and

Ok before I ask my Question let me tell you what the program does. When you
load the program two button will appear within the window. You can ckick
and drag these buttons anywhere you want on the screen. The code for this
is very sinple. The code works perfectly. So its obvious ...

An application that I am writing will contain tools that will extend
from a class 'similar' the following:
public abstract class Tool {
  public abstract void draw(Graphics2D g);

How can I create a UML diagram with Intellij IDEA? Which plugin can I
install?
Thanks for any advice!
Regards,

A newbie student wrote the code:
/* in a custom Component class */
BufferedImage bi = (BufferedImage)createImage(100, 100);
I gave him a cruelly low grade.

I'm noticing something odd with JSpinner.
If I call setEditor on a JSpinner, I get a different font in the text
area than if I let the JSpinner create its own editor.  For example, in
the metal laf, an editor set by setEditor is bold, while the font

How do i make a string containing different colors. For example
String s = "This is red, this yellow" must display red in the color red and
yellow in the color yellow;
John