I'm doing a computer games development degree which includes a java
programming class. In this they use an Elements package (by 'Bailey &
Bailey') which is used for drawing objects in a bitmap drawing window.
When creating a new drawing window I use the following code:

This topic should apply to software jobs regardless of the programming
languages.
I want to know if most of the software jobs in the market are software
maintenance (fix bugs, new feature enhancements on existing code)

we are creating a swing application, using the following standard code:
SwingUtilities.invokeLater(new Runnable() {
       public void run() {
           createAndShowGUI();

I was wondering if somebody knows -- when JNI_CreateJavaVM
executes from a C source code program, which java class gets
actually invoked to create a new JVM?  Sooner or later, the
JNI_CreateJavaVM needs to look for a real Java class.  Does

can anybody  tell me how garbage collection works

I want to be able to multiply 2d integer arrays as well as invert them
for some matrix algebra calculations that my financial modeling
requires. I could write these routines myself but wondering if
something already exists out there. Are there any matrix algebra

I have a question about J2ME using bluetooth. I am trying to implement
a client server applicatin between my phone (Nokia 6630) and my PC. I
can send data over bluetooth to the PC on a virtual serial port but I
need a way to "catch" the data I sent on the PC end and turn it back

I'm trying to do a simple game in J2ME using just two simple .png for a
sprite and a tile background. It all works fine on the J2ME Wireless Toolkit
but when i go to download it onto my Nokia 3220 i just get application
error - Null Pointer java/lang/NullPointerException msg's

I have a question regarding the MIDP1.0 lcdui 'widgets' ChoiceGroup and
List.
Basically - is there any reason to use List for anything other than a
'menu'?  ChoiceGroup has an itemstatelistener so that you can write code

how would you convert an ordinary 'int' integer into a java BigDecimal?   i
have a java line that produces random java integers in the range 1 - 9 and i
want next to convert these integers  into java BigDecimals.  how would i do
this?

Is there any way to print a stack trace if no exception has taken place?
It seems like there should be some simple way to write a stack trace to the
console any time you like, even if an exception has not occurred but I'm
blanking out when I try to think of how that could be done. I ...

In an attempt to familiarize myself with Sprite animation I have made an
exceptionally simple example.
I have a class called AnimationFrame (class AnimationFrame extends
javax.swing.JPanel implements Runnable, KeyListener) but I can't seem to get

I'm using the JXL class (Java Excel API) to get a date from an excel
file.  That date is in EST in the Excel file, but when I grab it using
jxl it changes it to my local zone PST.  Is there any way to grab it AS
the format that is in the xls file (est in this case)?  I know I can

I am having trouble launching an app from Java Web Start. Has anyone any
ideas why it's not working?
Details of JNLP file below.
An error occurred while launching/running the application.

How do you catch this error? It's not actually caught in the try{} but
deeper in the jffmpeg code. Would I need to look into jffmpeg or a way to
try and get this resource before starting the player?
void startPlayer(){