how can I create a program that prompts a user to enter a number into a
textfield and when they click a button they create that many more
textfields?

Is Class.class different from instanceOfClass.getClass() ?
I know it sounds blank. Let me explain the problem that I faced in
detail;
I have a class Class A with 2 protected methods and a private List

I need to know wether a given e-mail address ("miguel@example.com") is
valid - not if it's simply syntactically correct (that's trivial to
verify), but wether it corresponds to an actual, live, address.
Is there some way to do this? I'm not sure myself how to approach this

Hello. I have a RMI registry listening on port 1099, but no one but
localhost can connect to it. I have mapped my router port 1099 to the
IP where the RMI server is running... What may be wrong?
Thanks!

I'm wondering if there should ever be inheritance instead of
composition. Can you get away with never using extends and just use
field members. I understand that one can use this as an "is a"
relationship but I think interfaces, having multiples of them allowed

Ok, I must admit that I'm pretty new to Hibernate but I can't get over
this error without help...
I have a class Privilege that is mapped to a MySQL Table. It has just 2
boolean values read and write, but I keep running into syntax errors

In mac 10.4 the Java dialogs(not modal) which I created from an applet
goes back of the applet window when I click on the applet. In Mac 10.3
it is not going back. Could you please explaing why this is happening
in 10.4. Is it the expected behavior? Any soln?

How do you use Hibernate to call EJB? Is this a wise choose?
If you have any links to a tutorial, white paper, etc send it.

I've installed CVSNT on my local machine.
All the command line based operations (eg. checkout, commit) are very
fast.
However, after I moved to NetBeans-5, I got serious trouble.

What would be a good project, tutorial, website to use to learn a few
patterns (basic and more advanced) ? I've had a look at a few compiler
books, but it seems even though the book is written for java the
reviewers point out that the book doesn't effectively use java as a

I have created and configured a Servlet Chain Filter that controls
access to
files inside web application.
I did not set up any logon config parameters in XML. When the

I am new to this group . I working on J2ME and learning Servlet .
I have question on synchronization of servlet.If not whay we cannot
write .

I have nested try catch loops.If an exception is raised in the outer
try will it return from the method after being caught in th eouter
catch or will it go back to the inner try again after being caught in
the outer catch.

I'd like to know if there is a way to write an equivalent function as
System.getenv() in Java 1.4. I don't seem to be able to find a method
that returns all the environment variables, be it their names or a map
with names and values...

I have pointed any errors to Error.jsp in my web.xml file (as shown).
      <error-page>
         <error-code>500</error-code>
         <location>/Error.jsp?id=500</location>