Hi group. I think this is an stupid question and it can be resolve with
a couple of lines of code but just now it is impossible to me test it.
The question is: I have a clase A that implements a method "m" of the
interface I. Can I modify attributes of class A into the ...

I have a simple servlet that accepts some parameters and send those to
a bean. The bean does some calculation which takes a while.
What I would like to do is when servlet invokes the bean and while it's
waiting for bean to finish, I would like to display a simple html page

I am trying to use java's affine transform method for my zoom - in and
zoom - out functions. This is a small piece of code that i've written
in my "mouseClicked" mouse lisetner function.
       AffineTransform tx = new AffineTransform();

I just downloaded docjar (http://www.docjar.com/) for Eclipse and
etracted it to the plugin directory.  When I started Eclipse I didn't
see the new plugin... so I went and looked in Eclipse.log and found
this entry:

In our Stateless Session Beans, all logical-unit-of-work(s) or "business
method(s)" have to do some certain steps first before actually doing their
work. These common steps are put in a method "prepareConnection()" in that
Stateless Session Bean. Below are these common steps (3 of ...

I am using IBM WebSphere 5.1 which is using IBM JDK 1.4.1.
When I set the max heap size of WebSphere to 2048M,
the message
<GC: Reduced max java heap size to 1687289856 bytes due to memory

Newbie question here,
I have been going through Java error messages sent to me at work here
to get acclimated to the Java language (PHP, .NET programmer in the
past).

I have an application server running some EJBs. Periodically, I need to
send notification of events from the backend, to clients accross the
internet. Both The app server and clients are behind proxy servers and
firewalls.

I'm somewhat confused:
class Foo
{
   private static final ConditionalPropertiesReader PROPERTIES =

If I have a vector of custom objects... how can I make struts auto populate
those objects with checkboxes?
ie
class myObject{

I currently have a web service that passes complex data types as
parameters.  The web server (weblogic) populates the java classes that
represent the complex data types with the xml passed by the client
application.  Is there a way to retrieve this xml that is passed by the

JDK 1.4 provides jvm.dll and java.dll libraries on windows and
libjvm.so and libjava.so on unix platforms (linux etc.)
What is difference between 'jvm' and 'java' libraries? I found that
java.dll is dependent on jvm.dll

I`m programing an application, which uses database (Postgresql), it`s
multithread, there is no problem yet
it`s multithread, so I`v decided to use connection`s pooling, I had been
doing it before end there is no problem too, it works well

Should I adopt the first or the second way?
The first makes it faster.  The second makes the code shorter.
The size to compare is not in the millions so which should i go with?
First Way:

I would like to know if j2me phones use same rms file format.  In other
words, does the midlet developer choose the format of the rms file in
the phone, or does the phone place the rms file in its own format?