I have some obscure Java programs which show a strange behaviour when
they are ran at certain times/dates only.
In order to analyse this I would like to run the Java program, making
it believe that the current date is not the machine's date.

I've a JTextArea with a PlainDocument data model behind it.
The text area is in the viewport of a JScrollPane.
When the data model's insertString() is called, the view gets updated
automatically. This is sometimes unwanted - I would like to get control

I am developing a Java application using Java Advanced Imaging. I am
trying to perfrom a Histogram Equalization on a source PlanarImage but
I get an error when I try to display the result.
The method that does the equalization "equalize(...)" does not return

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I need some help.. I need a java script calendar that allows users to
populate a text box with dates. Ya Ya I know what your thinking... Theres got
to be 10,000,000,000 free open source jscript calendars out there to serve

I'm having problems creating a launch configuration. And hopefully when
I get it to run, I can do the same for a profiler because that's what I
really want to do, use a profiler.
In the main tab of the 'Create, manage, and run configurations' window,

I'm dealing with a PHB on a small project, one I don't get paid by the hour
on, and I'm only doing a few steps to get his system changed over.  I
really want to spend as little time on this as possible.  Currently they
work with doctors and provide data through a system called ...

I am using Runtime.exec to start a python process that executes
indefinately (it simply has a sleep statement in an infinite loop). I
have noticed that after I call destroy() on the python Process object,
the object has an exitValue() of 1, but on the odd occassion, the

I'm trying to capture an email attachment and write it to disk.
I've coded the following lines in my attempt.  The program seems
to run and creates the local file alex99.pdf.  However, when I
tried to open it, it says it's corrupted and/or wasn't properly

I understand that this error means the cachedrowsetimpl class is missing.
THing is, how do I get the jar file to add it to the java install?

Serializable classes need to define a field "serialVersionUID"
which identifies the class for rereading serialized objects.
Are there rules on how to choose this value?
If I make an extended class which only adds new methods (no new fields),

I am getting this error message when trying to compile this program.  I have
searched on the error message and everything that I have read says to check
for { or ; prior to the error message.  It all looks fine to me.  I am
assuming that I need to move private void addWigets()

I had a great deal of comprehending the Java language at all because I'm
taking Java course at an university. Whenever I get the assignments, I
tried to analyze the instruction (Read sentences) and work on it. I could
not understand it all. Anyone who knows and help me?

I have completed a java computergame applet and some stand alone
command line tools. And am looking for a new java learning project
that is somehow relevant to an actual business situation. What aspects
can i look into that i may be able to use in an actual programming

Currently, i am trying to reduce the codes in my program and i'm wondering if
i'm able to just call the function i want without going into;
   class CreateFrame implements ActionListener {
       public void actionPerformed( ActionEvent event )

try {
 Collection rooms = MultiUserChat.getHostedRooms(conn, "<serviceName>");
    } catch (XMPPException e) {
      System.out.println("Exception Caught: " + e.getMessage() + "