I wrote some code to handle with my databse:
import java.io.*;
import java.awt.*;
import java.applet.*;

can anyone tell me please why when i launch my GUI and click on the Log
IN button the cursor does not appear inside the tableNoField??
void logInButton_mouseClicked(MouseEvent e) {
userNoTextField.setVisible(false);

I'm using a ComboBox to change a parameter for an object.  When the
selection is made I have an OptionPane come up to make sure the user
really wants to make that change.  My problem is that I get 2
OptionPanes that come up.  

I'm an Italian Student...
I'm trying to improve a Java project about VoIP to use new Codecs
instead than default-JMF Codecs... I choose JFFMPEG to make it...
My project -in his first stage- is able to:

I want to make JTextFields in my application automatically select all
text when they receive focus, whether by mouse or by keyboard. More
importantly, I don't want to have to manually install listeners on
every JTextField I create.

For plotting a waveform I was using drawLine method of graphics class
[drawLine(int x1, int y1, int x2, int y2) ]. I dont want to use third
party utilities like jfreecharts, since my requirement was simple. I am
facing a problem while plotting. I can plot only upto 500 points. After

I create a pie with JFreechart.
Is it possible to change the font and the kind of the box where the
label are shown?
Thanks a lot,

Hi - my apologies if this has already been covered someplace, but I
couldn't find a reference to the exact problem anywhere in this
newsgroup.
I've created a table model that extends AbstractTableModel.  I have a

  Dear Experts,
My GUI application sometimes runs out of memory with the message like
the following:
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java

I have been reading and reading about this topic, but I can't seem to
find a good way that I can add encoding selection to JFileChooser.
In my application, the user needs to be able to load/save files in any
encoding. My first thought was to do automatic detection of encoding

I would like to have a component which displays HTML content to allow
users to browse intranet/help content AND embed context aware
buttons/labels into the display.
So I might have a paragraph.

I'm going to repeat a question that i've asked in javalobby to no
avail.
Did anyone ever got zoneview working for a JEditorPane and if so how?
I'm using a custom stylededitorkit that implements view factory and my

I have this code:
String[] s= {"Mark","Steve","Pete"};
s=Arrays.sort(s);
The 2nd line has an error  saying:

  I am writing a server which binds to a port using ServerSocket &
inside an loop waits for a client using socket.accept(). The whole
thing runs in a thread, which is gwtting called a start button from
GUI. I also have a stop button, which supposed to stop the server at

I have a windowListener setup to watch for windowClosing events. When
the application is closed I perform some clean operations. I wanted to
add the ability to ask the user if they really want to quit by using a
JOptionPane and having the user select Yes or No.  I found out that ...