Hi, whenever I try to compile something with javac from the command
prompt (windows XP) i get the following error:
Exception in thread "main" java.lang.NoClassDefFoundError:
com/sun/tools/javac/Main

I have a simple console application that prompts the user to enter two
numbers and then the program multiplies these two numbers and spits out
the product. No problem so far. The difficulty I'm having is that if
someone enters a negative number, I want the program to reply something

OK Oliver,
The original draft of this was written to quiz java.help - but I was
still thinking I would be SOL, like the response I got from the 'theory'
boys in comp.lang.object. Then when I spot your name in java.help -

I'm developing an application that will allow users to use a web form
to submit a job to a web server that will run and produce results.
Because the job might take some time I want the user to be able to
log off and then come back later for the results which can be

On my own computer, using the following Debian packages
       libtomcat5-java               5.0.30-7
       tomcat5                       5.0.30-7
       tomcat5-admin                 5.0.30-7

I need help with this assignment.   Am I on track?  Here is the code that I
have so far.  
A school is giving a standardized test to all of its students. There are 50
questions on the test and the school would like to gather some statistics on

i have a problem with a query.
First i have stocks, depending on 4 attributes. Its like a tree, so
there are 16 possible querys. Like the stock hat batchs, and the one
patchs is reserverd for diffrent projekts and some of the materials in

Hello, I am trying to put together a Java system for playing audio CDs on a
large CD player, I have most of it working But entering all the data like
Artist, Title, track name, track length (seconds) is a real pain in the
butt. What I would like to do is write a java class that ...

I'm not getting junit at all.
Is the general strategy to write trivial tests, boundary tests, and perhaps
a "range of data" test?  It seems like I can easily spend a 3:1 ratio of
time in junit versus my actual class.  And testing would still be kicking

I am having trouble getting my program to ignore how information is entered
(upper/lower case letters). i have been told i have to use IgnoreCase but i
cant get it to work.
below is the line of code where i need the IgnoreCase to ignore how

I have recently started to teach myself web programming. ON my system
(Win2K, Java SDK 1.4.2_08) I have installed the lates version of Tomcat
(5.512) and the compatibilty package. I have placed a file
"tableTest.jsp" in a "tabletest" subdirectory of my webapps folder with

Aabout a year ago I took a Uni course in Java and enjoyed it a lot.
I've enrolled for another course for next semester and now realize I'm
quite rusty. So I want to sharpen up by writing a little program. For
my "project" I've decided to write a program that can solve Sudoku

I have a this code to grab the  input global latitude reading and
change it to a degree decimal reading.
......... code snip........
public void actionPerformed(ActionEvent event)  {

I never compiled a tomcat - project before.. Now I have to do it. I'm
using Eclipse and importet the Project into the workspace. When I try
to start the JSP-Application with my Browser, I get an error message
like this:

how do i round decimal numbers?
iv tried Math.round.rental but it wont work. i think im doing it wrong!!!