In the code below, I would really like to uncomment "notifyAll()" and change
"Thread.sleep(100)" to "wait(100)", but when I do that I get an Illegal
Monitor State Exception.
Does anyone know how to "make it work"? My book, "Learning Java" by

File currentDir = new File(System.getProperty("user.dir"));
I need to know the path to a class that is running and have had
partial success.  The code shown above finds the folder where the JVM
is running.

some have a ms access driver type 4 to java

I know that to generate a random integers that ranges from from 0 to n, you
use the following code:
   int n = 10;
   i = rand.nextInt(n + 1);

I'm stuck with my program.
I have one JFrame in which I have one JTree (that needs to be updated)
and JInternalFrame, but the information for that should come from a
JButton that is located in JInternalFrame.

I have a problem using Tomcat 4.1.27 with JSPs - I hope someone can help!
I have a very simple JSP application, taken from the JSP Tutorial
(http://www.jsptut.com/).  When I compile and deploy the application, then
start up Tomcat, it runs fine.

Is there an easy way to find out with JDK 1.4, where a class is
defined? Of course I can
search the files in CLASSPATH manually (and also look into all the jar
files),

Do I need to reboot my computer after setting the CLASSPATH?

I have a Vector data structure for which I need to create some
references.  The problem is, I can't seem to get them to typecast
properly.
I am compiling "Bbbs.java"

I installed Java JRE 1.4.2_02 to support Mozilla Firebird while I try it
out.
This plug-in has enabled itself to run with IE6 too.  Should I disable it in
IE6?  Or should I disable MS VM?  Or should I let both run together?

I have 3rd party vendor program that writes the date and time out in
milliseconds (ex: 1031030063000000).  Using Java, how can I convert
this number to the actual date & time?
Thanks,

I would like to see a simple example of this: class.getOne().getTwo()
class X{
public static String getOne(){
return "";

I've written a Card class and a BlackJack applet.
The BlackJack start method is as follows:
public void start()
{

I have several GUI-based Java (1.4.2) applications that I run under Win32.
No problem.
However, when I move that application to my Linux box (RH8.0) and rebuild,
the applications no longer have a "main application frame" - no

I want to implement a GUI which uses image as background. I uses JFrame .
However, I cannot find any tutorial showing how to add an Image as the
background
May anyone suggest some useful tutorial?