I have my classes loaded with my own ClassLoader. Now I want to load my
simulated classes ( same package and name). First I have to unload the
previous classes. Shall I use:
System.gc();System.gc();

I am using java from C++ using JNI calls
the JVM created when the C++ application is started
and destroyed just before it stop running
While my C++ app is running I am creating new class in java

Hai all,
I want to draw text and graphics and save all these in a jpg or bmp
image?? Do you have any idea???
I've read a tuotorial that uses the package javax.media... but it makes

I was trying the code at
http://www.uk-dave.com/bytes/java/jmf-framegrab.shtml. At the beginning i had
an error at the line 24 with the device error. I figured out this error.
But now i have an exception in the thread

I have been blithely reading files via URL from an Applet.  They
worked fine locally, but with Java 1.5 I'm getting
AccessControlExceptions.  I should have been getting these all along.
Any comments on this?

I have this situation.
I have several jar files and each jar file has a separate version.
util.jar
Version.java

When I attempt to overwrite or copy one array to another, using something
like :
array1  =  array2;
then the two arrays seem to become 'linked' or associated with eachother, so

I've started working on a new project using Eclipse. When I do a build
I get multiple warnings stating "finally block does not complete
normally".
A sample method follows:

Hi All, my name is Alex.
I'am experiencing the following problem: in our web application we're
using xercesImpl.jar library to support XML serialization and it worked
fine for earlier versions of Tomcat server - simply because Tomcat 4.x

Please go to
http://www.flickr.com/photos/nicolasmalik/18438043/in/pool-guesswhere/ and
run your mouse over the picture.  Did you see how a highlighting box with
text appears?

I have the O'Reilly Book Java NIO (with the mouse on it) and I'm trying
to figure out how to do non-blocking socket i/o.  Basically I want to
have some subroutine to be called whenever there is data available to
read on a socket object without having to poll it.  I'm having trouble

As I understand a 3-Tier architecure contains:
1) Presentation layer (JSP sites)
2) Process management layer (where logic on userinput is made)
3) Database management layer

Hi, All,
I am developing a j2me program for xxxxi(SE new phone) to do Bluetooth
communication, I had done a version for P910i, it work very well.
When I install the same .jar on xxxxi it seems that the Bluetooth

I've been working with Tomcat 5.0.28 for a bit and it's worked great.
I've moved to Tomcat 5.5.9 and can't seem to get the container to
auto deploy my war file when I deploy it.
In 5.0.28, I'd run my ant script which would copy my war file to

If a superclass is static and its subclass isn't, will the subclass be
static?
public static class A {
}