How are you all,
I need some help with my homework assignment.
I need to validate data and then use exception to avoid the user to
imput an invalid data and crash my program.

I've been reading up on RMI but am still unsure if the following is
totally possible please advise, thanks.
I'd like to basically have a RMI Server working on 1 or more clients,
which connects to an overall server. I would like this server to send

Hello, I'm trying to figure out AWT custom events.
I saw the code below in  googlegroups.
My question is, what class should AClass represent?  I'm not sure what
class to pass here and I don't understand what obj is passed when firing

Because of backward compatibility I want to test my application with the
Personal Java Emulator from SUN. The problem is, that the emulator isn't
able to start my application. It returns the following error: Can't find
class ...<classname>.

Hi all, does anyone have any code that will prove java uses short circuit
evaluation e.g. (expr1 && expr2), if expr1 is false it will stop evaluating.
Thanks in advance
JS

i am trying to check if 2 values are false (1 or the other) but it wont
work. what am i doing wrong. i have tried lots of methods but none of them
seem to work.
code below:

Hello, here's the situation, I hope you can help... :
I have two JComponents. One is called "Tracer"; the other one, implemented
with the help of the CoordinatesDemo on java.sun.com, implements
MouseInputListener and extends JComponent, and is called "Mouse".

I have implemented a simple JTextArea console to redirect System.out and
System.err to.  This includes a little thread that reads a stream and
appends the contents to the JTextArea.
My program (that throws stuff to System.out & System.err) is multi-threaded.

I am trying to figure out a way to implement windows CreateEvent() and
SetEvent() in java. I only need to consider intra-process (within the
same process) synchronization, whereas in windows the events can span
multiple processes. Any ideas?

I'm in the process o writing a build file for a large project.
I'm using Ant and I would like a target to check that all tests are
passed before I continue the build.
Problem:

I started to study computer science a few months ago, so I'm still a very be
ginner in Java.
I need to write a program which converts ONE roman numeral to the correspond
ing latin one (e.g. V should print out five and C 100). I tried to do this w

The subject title says it all
Cheers
Doug

I've been reading about the MVC concept but it just doesnt make sense
Has anyone got any examples or references that I coule be pointed at ?
Cheers
Doug

I'm trying to write a custom applet with netbeans that users can access
anywhere with a web browser. Currently I'm simply tring to implement a
secure login where:
(1) a user enters his username and password

Given that I have recently acquired BlueJ 2.0.5, that I have Win2k with
NT and Internet Explorer as my browser.
I have an applet that I several years ago made that uses "Bookmark" as
a reserved word.  I can compile it with my copy of JB5 (jre 1.3). And