Recently there was a post on ONJava about creating a Design Pattern
Study Group. They suggest going through the "Head First Design
Patterns" book. I have the book and I have read it front to back and
found it useful and clear.

I was wondering if something like that exists or if someone has ever
thought about it:
Instead of Swing updating the local screen and obtaining events from
the local mouse & keyboard, it may be useful in some cases to have a

I have a JTextPane in a JScrollPane
m_textPane = new JTextPane();
m_textScroll = new JScrollPane(m_textPane);
m_textPane.setEditable(false);

I'm writing a visual app using Swing; I've got a JMenuBar in the main
frame, on of the JMenuItems in one of the JMenus is an "exit" option -
obviously when this option is chosen, I'd like the app to close. I've
been implementing this so far by making the class of the application

I have a custom JTree which uses custom cell editors and renderers
(JPanels). Everything works fine except my users are complaining because
they have to click twice to get the popup menu to show up. The first click
selects the cell and the second brings up the context menu. I ...

I have a bit of a problem with a JLabel. This problem only shows up
when I use other look and feels than Metal. (i.e windows, or any other
I may use, I've tried with different look and feels and all give the
same problem. (I've tried JGoodies (all of them) and metuia).

How do I build a column of JLabels?
When a user performs a certain event I want to add a new JLabel to a
suitable container which will display them as a vertical column of JLabels
(i.e. a list).

Is there a way to remove the bar atop a java gui Frame?
It is the bar that holds the title?
Thank you,
Gil

I have a JPanel containing a JLabel which I use to display images. The
JPanel is part of the GUI that I am developing for a face recognition
application.
When the application is attempting to find a match for a face I wish

How can I disable the "create new folder" option (the icon on top
right) in JFileChooser component.
TIA.

I am able to copy from a JTable using CTRL-C. I didn't do anything about
that. I would like to know what method is called when I press CTRL-C so I
can call this method when I select Edit-Copy in my menu bar.
Thanks,

Hello,
We had updated our JDK from 1.4 to 1.5. Since that, a
StackOverFlowError occur in our Java Applet. Someone knows why this
Error occurs ? Nothing of the stack trace is a part of our own code,

I have a problem with changing the look and feel while running my java
application: When I try to change the look and feel while runtime,
following exeption occures:
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException

I wish to know is there any other model or component (like JTree)
which allows us to display a set of hierarchical data. JTree is
actually not able to display multiple hierarchical data (data has two
or more parents). Does anyone have an idea, how to display this kind

In another thread that bogged down with flammage, the OP was asking for a
simple piece of common GUI functionality: multiple docking toolbars.  I know
how to have a single docking toolbar but have never had to learn how to get
multiples.  Anybody able to answer this fairly narrow ...