What is the correct way to get the root directory of a web application
   from within a servlet?
--
Alan Gutierrez - alan@engrm.com

tanks in advance for your time.
ok, i have a class whit this import
import javax.servlet.ServletException;
but eclipse says that can not be resolved. i have instaled

Is there a direct way to know if the user granted your signing
permission as an Applet?
I see Sun coding things like this:
java.security.PrivilegedAction pa =

Hello experts,
I used to program in C/C++ and now switched to Java. I am having a
difficulty that I need your help with. How can I limit a double variable to
hold 2 decimal points only?  Say I have an array of 50 doubles that each ahs

I am looking for some Java code which allows the user to position the
marker on the slider and then click Save so that the related number is
saved to a file on the hard disk ...
Any pointers as to where I might find such code?

I know this is a stupid question, but I have a lot of classes in my app
that use Observable to publish messages for other classes in the app.
I now need to go in and make many of these classes able to publish
notifications via MBeans.

What is the standard way of deploying a java application?
Is creating a single jar file and installing the related java run-time
environment on the client is sufficient?
How to create a setup application for deploying java application?

I have a problem with form validating using JSF.
As we know the validator is not called when the validated field is
empty. I know we can change it by seting the tag "required" but - then
the error message is standard and same for all validated fields. I know

My doubt is regarding packages and CLASSPATH.
I am using Tomcat4.1
My directory structure looks like this,
webapps\

I wanted to round decimals. Usually, 1.6 would be rounded to 2 and 1.4
will be rounded to 1. But I want 1.6 will be rounded to 2 and 1.4 will
also be rounded to 2; for 2.1, it will be rounded to 3 and 2.6 will be
rounded to 3. Tried to find such round function from javadoc, but was

Just trying to get my head round the behaviour of static variables.
I have a class in my web application which I use to get a database
datasource with connection pooling. The datasource is a static member
of the class.

ich habe unseren tinymce um folgende features erweitert:
IE: removeformat funktioniert endlich richtig
SWConfig:
enabled Modules werden automatisch in den Link Teil übernommen

Help!!!
I'm testing a class that has a particularly stubborn private static
member variable. This variable is initialised in the class's
constructor like this:

Hi Techs,
I wonder what actually is the relation and difference between
JSP and J2EE??
I think... JSP is a part of J2EE.

I want send datas by socket, but my ASCII value upper than 128 are
truncated, do you have an idea ?
I could not use JDK 1.4 or higher, because this customer has an AIX
4.3.3 .