I have my application communicate with a server to determine if there is a
newer version available.  I have a native windows C++ version and a Java
version for other platforms.  As far as the Java side goes, is there an easy
way to update the Jar file?  i.e. my program a.jar will ...

In the following program, what ever digits are typed into the inputbox
I want them displayed in reverse order in the status bar. At the moment
only the first digit appears in the status bar.  I can't see where i'm
going wrong.  Maybe someone can take a look.

I have been using BlueJ as a compiler for about 4 months. But all of a
sudden, for no reason, it decides not to work. I was using the
application about a week back and it worked fine. Now the application
opens up but when I click on a Menu Item(File > Open)  it hangs up java

I want to know about persistence funda with good n small examples.
in my application, when I get some data from database in a object, n i
move on diff window, n come back on first window, at that time i should
get original data from that object.

I want to know how can I create program by java that can connect to web
site and write in textfield and do action
For example:
I want search by Google this word "java application"

midlet to  record phone calls
i would like to have a j2me app for my mobile in order to record phone
calls (in/out)coming. is it possible for my middle app to detect such
event and start recording ?

I have written the folllowing scripts, just want to output "Foo is true."
when the property foo is set to true. But when using Eclipse to run the
simple script, there are something wrong. Could anyone help to check what is
the wrong with my shell scripts?

Is it possible to create a web page out of an applet and have hyperlinks to
other pages on the internet?
Thank You,
Andy

I'm developing a server using ServerSocket. For each connection
established with a client, a new thread is created for attending it. The
thread task consists on basically writing data through the socket
continuously. There is no socket reading work in my server.

hi im quite a newbie at java and wondered if anyone could help, i want
to create a simple media player with stop and play buttons which
display the avi in the centre, when u click play it says "wheres the
file" u find it and it plays central in the screen.

I would like to be able to refresh my webpage every minute, on the
minute, so when the seconds=0 on my servers clock. I'm sure I'll have
to use
var seconds = now.getSeconds()

Gents, Ladies,
I am gathering information about how to resolve the following:
I am having a webcam at home. This webcam can be used by the following
applet to be viewed from the outside world:

I have a website which uses SSL communication. When someone tries to
access this site, it pops up a HTTP authentication box and only on
successfull authentication can a client access the site.
I am trying to write a utility whcih can try to access this site once a

Hi all.........i m new to java....so could anyone please tell me the
excat usage of classpath environment varible... what shld the excat
value...everything....thanks in advance..

In my system I have a java component which I want to activate only
within a certain time window.
It is a distributed system consisting of a jobproducer which hands out
tasks to the workers. Each worker runs on a different host. I want a