Thanks to all of you who responded to my thread on replacing
runFinalizersOnExit.
David Roden suggested using a Shutdown Hook.  Never having used one
before I put together a simple test program, (below), which seems to

Help... I don't know why JDK would introduce such an overhead:
I've a Win 64-bit C++ routine that uses dynamic cast/RTTI heavily. I'm
aware of the fact that pure C++ code that uses RTTI/dynamic cast runs
slower in native 64-bit Windows than WOW. But when I put the same

A question from an absolute Java newbie:
I have to translate some Delphi code into Java. It is a class that
performs simple image processing. Image data is sent to the class via
Delphi's TImage object. After processing, the image is available as

I am getting an out of memeory exception error running a java program
on Windows 32 bit.
Memory  on the box is 4GB (I know 32 bit can access up to 4GB but
Windows OS reserves 2GB for its own processes. I can increase memory

   I am going to do small project using JSP,Servlets and AJAX. I
don't have any idea in AJAX.I have to learn AJAX and do project. Plz
suggest me any books for AJAX.
If you any have web links, ebooks, tutorials for AJAX .Send it to

I am writing a security related application and I want to make sure
that some critical data is wiped after it is finished with.  I have
provided a public dispose() method to do the wiping, and a finalize()
to call dispose in case the user forgets to call it.  However,

Hi, everyone.
I'm trying to create a sandbox that executes code loaded from a JAR file
with reduced privileges. Unfortunately I'm a bit stuck. Here is what I
tried so far.

I am doing self-study on JAVA. Can I have some links, to practice JAVA
provgramming. I am more interested in programming questions to
practice.
Thanks for your help.

can anyone jst tell me how to develop the java application for flash

I have problem with setting the JTextField text. here you see some of
my code:
if (in1.getText().length() > 10){
    JOptionPane.showMessageDialog(null, "Error", "Error",

i would to specify interface constants with xml or property file
i think for that using api reflection but i don't see how to use
interface with api reflection ?
someone has idea ?

I use javax.comm.CommPortIdentifier.getPortIdentifiers() to get a list
of the system's serial ports. This works fine, but the list is only
updated upon loading of the class CommPortIdentifier (through static code).
However, the Java application needs to detect a USB-to-serial ...

Is it possible for Java to generate names within a program and create
an object from that new name?  For example, let's say we are given a
set of data to work from and I have a class named NodeInfo which has
information pertaining to this set of data.  The number of nodes that

I've written a new blog post about the almost-useful feature of Type
Intersection.  I'd like to get some feedback on it, thanks.
<http://virtualinfinity.net/wordpress/java/esoteric-java-features/2007/11/23/type
-intersection/>
All feedback welcome, constructive criticism appreciated ...

So I am a Java newbie and have a simple question here:
protected methods of a superclass are inheritable by the subclass. So
how come the protected methods of Object class namely clone and
finalize not inherited by every class by default ie why is overriding