We have a Java web application that we need to add some dental
charting capabilities.  Does anyone have any good recommendations of
charting software in general or dental charting specifically?  The
chart is basic but we need to be able to color over teeth indicating

I need help validating an xml file against an external DTD. The below
code allows me to read the xml file and gather specific elements of
interest.
If the xml looked like this, How would i validate it ?

How to create a java program to validate date and email id entered.I
think an algorithm will also do just fine. I am still learning java
please help.

Hi, I make extensive use of N-dimensional Maps in my code and would
like to find out if there is a way to manipulate them in a more
Perlish fashion. For example, say I have 2D map and I want to write
all the way through to the end. My code else up looking like this:

I'm trying to read a properties file within a web-app under JBoss. The
setup follows:
Location of properties file in war file is:
WEB-INF/classes

history of comp

So I've been working at a company that shall remain unnamed for the
time being for almost 3 months now.  In that time, I've taken over for
a developer that was leaving, as well as started some brand new
projects from scratch.  The brand new stuff has been fairly uneventful

I've just discovered the existence of the GCJ compiler and the GNU
Java libraries. I've configured my Eclipse to use it as default JVM
and compiler. Now I see that inside the file .jar there are different
packages than the Sun version. There're always the "standard" packages

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Every year or so I do a project with java.... and every year I come
into the same problem.
I have a jar file I want to use with my application, say Foo.jar in
the "lib" directory.

I am looking to get more into Java development, but would like some
suggestions as to the most suitable IDE. I know this is a subjective
question, but here's where I am coming from. I have worked in Ruby and
C# extensively. The point being:

Hi, in my network programming assignment I have to create a client and
server, which have following properties. The problem is,
1. Client and server should carry out a negotiation on the level of
security and then agree on it.

I'm curious how one deals with large GUI based Swing applications
using NetBeans?  Typically from my understanding you use a model-view-
controller technique to separate it all to easily have Frames talk to
other Frames and etc.  From messing around in NetBeans it doesn't seem

I was reading Wikipedia about Singleton Design pattern and it had some
sample codes for the implementation.
Under Java example implementation, there was "A thread-safe Java
programming language lazy-loaded solution." But I don't understand why

This is not a question about the best, becurse it always depend on
what you like.
But i have used netbeans for a long time when a write javaprogram
basicly becurse