I can't figure this out, and sorry, I'm a PHP guy.
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  hasSubmittedMessage =

I am new to this forum so please forgive me if this is not the
appropriate place to post this question.
I am working on a simple web application (jsp/servlet).  I would like
to send a file back to the client without ever creating the file on the

I'm relatively new to java, and really new to the concept of classes
and their applications. I managaged to get through a few exercises
(largely based off of examples) and now I'm stuck on the main method of
a new exercise. I feel I don't fully understand how to "apply" methods

I'm trying to learn how to write java beans.  I need a bean viewer.  I
can't get the BDK that came with the java platform to work.  Can anyone
tell me what other bean viewers they use that would be good for a
beginner?

Hi I am having great problems getting DrJava to run on my machine any ideas
this is the error I keep getting,
any help to resolve this would be greatly appreciated
Michael.

I got:
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap
space
Application presents a printable chart (2DGraphics) which could be pretty

I am using Eclipse 3.1 under Mac OS X 10.4.4. I just downloaded MySQL.
I installed MySQL successfully. I am able to create databases and
tables. And I am able to load them and run queries by running mysql.app.
I downloaded mysql-connector-java-3.0.17-ga and I have a .jar file but ...

I would like to append data to a file. Ideally I would like to append
any object, but I have decided to use a primitive int for my example
below. I have two problems:
1.) When I append, and then open the file to read the objects back in,

I want to be able to play small audio files from my apllication but I am
having problems locating the files.  I want this to be successful whether I
am running from the class files or a jar file.  What is the best way to do
this?  I am currently trying to load the files using ...

I'm reading in Timestamps from a Database, which originate from user
input. The dates look like this:
2006-01-12 14:00:56.0
2006-03-17 11:05:59.0

Killer Ap version 0.00002 seems to be avoiding the setBackground method
in JFrame,
I'd like to fix this - but more importantly, to understand *why* it
doesn't work. I suspect there's something fairly fundamental I've not

I have 3 classes Personne, entreeb==>FileInputStream ,
sortieb==>FileOutputStream.
The code works one time. The problem is when I add serialized new objects
( launch again the code sortieb) I can't read all objects (entreeb) specific

I am pretty new to Java, Swing, and Netbeans.  I need help
understanding a problem, which I describe here.
I have class LMtextBlock extends javax.swing.JPanel and an instance of
that class, primaryTextBlock.  The textBlock is a component of

    I was wondering if anyone could help me with I java programming problem
that I am having?
    The problem is with two classes called 'Side' and 'Square' I am looking
for 'Square' to consist of an array of 4 'Side' objects. Here is  the

Hi.  before i start with my problem, let me state one thing...i am not
very good at java programming, in fact, i would say i am useless at it.
Anywho, my problem is as follows:
I have to do a project for uni, and for this project we have been