I have a question about a design for a model/view and communication
between the two.
I have a model (MainModel) that holds a Collection of project
objects.  It keeps track of which projects are open, what the current

Under linux, I have java code that runs a c executable using
Runtime.getRuntime().exec()
Before running that I have to set the LD_LIBRARY_PATH system
variable..

Oddly I am unable to execute my jar directly (without getting an
exception); however, by specifying the class directly it runs just
fine.
If I had to guess.. it seems that it is related to my 2 system

I've been using betwixt for a couple of days, really new to this
library.  Anyway, using the sample provided on the site, have been
able to write simple beans to xml and then back again.  However, when
I tried to use a bean that had a List of other beans, I got a weird

The following line hangs in Java:
Pattern.matches("((<BR>)|([^<>]+))*", "aaaaaaaaaaaaaaaaaaaaaaaa
<BR><Bx>")
What's wrong with the regular expression?

I'm looking for a library/tool which could simplify the creation of my
J2EE webapp online help.
I know JavaHelp but I find no comparable tool for web based
applications.

I just want to ask if I want to segment my image radially then how can
i do that.
I just want to know the source code in java that how the given image
can be radially segmented and also send me the source code of template

I have a servlet that streams a zip archive to the client. It uses
java.util.zip.ZipOutputStream & co. It does not set the content
length header as the size is not known before the zip is created.
When a windows user clicks on a link to this servlet, she can

I'm sharing with you my secret of the ultimate comfort using a laptop.
Working with a laptop desk helps cool my laptop and it's a lot more
easier to handle. The painful experience of aching wrists, strained
neck and back is a story of the past with ergonomic typing and viewing

let's say I'm writing a extension organized in packages such as:
mycompany.mypackage.MyClass
mycompany.mypackage.subpackage.MySubClass
The people who are going to use my extension will extend MyClass. So I

I have a few confusions about J2SE and J2EE. If you can help to
clarify, that would be great.
1. What is the biggest difference between J2SE  and J2EE? Is it just
that J2EE contains a few more extras libraries?

Does anyone know a way to use maven icw a dynamic webproject (or J2EE
project facets) in eclipse WTP?
I currently use eclipse for programming and maven for building/
deploying. But having tomcat (or any other server) running in eclipse

I have used code like:
DateFormat df = DateFormat.getDateInstance( );
which according to the API: "Gets the date formatter with the default
formatting style for the default locale". My question is: Since the