http://rafb.net/p/g4BKOQ31.html
In recent days ive decided to get to grips with some basic game
physics. Can anyone tell me where i am going wrong in my code?
If you scroll down to the 'public void keyTyped(KeyEvent event)'  its

This is a demo program only of my problem. My real
program is too big to be included here.
In this program, given a button panel, a label on a panel,
a image icon on that label then making a single press of

I have been doing some practice exams and came across this funny
'. . .' in the signatuer of a method:
int doIt(int... i) {
         return 4;

I'm trying to use a RandomAccessFile, and was having trouble figuring
out what size things are, so I can look past them on the file.
For example, I was going to create a couple of indexes at the front of
the file, so the file structure would be:

Given the same variables, why does;
System.out.println("objecttype=" + this.getClass());
       System.out.println(String.format("id=%1s",getid()));
       System.out.println(String.format("description=

I am trying to set up a random access file RanFile.
(sorry, I don't have my code with me)
I have confirmed or created the directory, I have confirmed or created
the file in a File object, and then I create the random file

I have just discovered that when a java program starts one of more
threads and then the main thread comes to the end of function main,
the program will wait for the other threads to complete unless the
threads are daemon threads. This comes as quite a suprise to me. Does

I have been doing some practice exams and came across this funny
'. . .' in the signatuer of a method:
int doIt(int... i) {
return 4; }

I read a book which mentioned Java new keyword vialiate "Open-close"
and "DIP" OO principle.
I don't understand it, anybody having deep knowledge explain to me?
Thanks a lot.

If I have a XML file like
<header>
    <data>1.0</data>
</header>

I'm an old Pascal programmer who is trying to revitalize my
programming skills.  My first project is an old mainframe game.  In
the program there was a rather large data structure which we packed
into (iirc) 10 60 bit words (with only 2 bits that I have found to

<pre>
<code>
// PATTERN: (<c:param.+value=")<%=[ \t]*([^%]+)[ \t]*%>(".*$)
 Pattern p = Pattern.compile("(<c:param.+value=\")<%=[ \\t]*([^ \\t%]

We are developing a plugin for eclipse. We got a trace and together
with it a explanation saying that:
"This plugin is closing the PrintStream assigned to System.err during
startup preventing any further error output from being seen."

my program is to add 2 matrix number from 2 txt file:
e.g.
matrixa.txt:
<test>

My look and feel settings appear to be ignored in Java Web Start. Is
there some particularly auspicious stage in the initialisation you
should do it?