Just wanted to know creating instance
  Class classDefinition = Class.forName("java.awt.Rectangle");
  object = classDefinition.newInstance();
Is this a heavy process in terms of resources and its execution time?

Hi,  I am not sure if I'm in the correct group.
I have my J2EE project and I can successfully build a JAR file.  I want
to convert this .jar to a .exe that can be executed when you
double-click on the file.  (I know you can setup the Open command on a

Hai to all.This  is ISMAIL.Iam from Hyderabad.Is there any one who can
tell me the basic concepts of this programming language.

Since applets are embedded in Browser I think it has to share resources
among other Applets/ Scripts on the web page.
Should I use a new Frame to speed up Computation. It looks like a new
Frame will get all resources as a seprate web page gets.

I am sending some data to a servlet and geting the result from that.
For this is i am using form.submit() in javascript but when i submit
the form it open a new explore window.
Can you tell me why this is hapening and how can i remove this thing.

HI alll
 in my code i want to check that the sql query return null value
and  if the query return null value the i hav to use
stmt.setXXX(1,Types.some oracle type)

I have something like this:
-----------file: index.jsp
<% sp.start temp =  new sp.start(request); %>
------------file: start.java (in package sp)

In a project I just started in a came across a questionable design, and
I thought I'd ask this group how to improve on it. The simple design was
as follows (as I remember it right now), an Appointment class containing
a list of AppointmentItems (for a case worker). the ...

Has anyone had problems with timed wait
.e.g. Thread class wait(200) failing to terminate under
Java Webstart execution?  My code works
properly standalone under the 1.6 prerelease,

I am new to JMs, and I would like to ask if serialization is performed
always?
I mean that if the components which use the queue are remote, it is
obvious that serialize commited when inserting the queue, and

I created FileUploadForm.java as a managed bean in my application which
I call
from my upload form copied from UploadForm.jsp - when I click the
'upload' button I get this error:

I'm tryin to serialize an SWT object ( Tree class). Run time reports me
a NotSerializableException though I implement Serializable interface..
I'm wondering...Is it possible to serialize SWT object  ?
Thanks a lot :)

and continuously write to it without closing it increase the memory
usage?

I am trying to call ejb from behind firewall,
but without access. I already success remotly connect the AS in LAN.
InitialContext initial = new InitialContext();
System.out.println("initial="+ initial);

I'm in a medium sized project for a large federal agency.  My
company is sub-contracted under a large defense contractor.
We have a "Software Architect" designing alot of the system's
sub-applications, features, etc.