Starting from an Image object, how would I save it to a jpeg or gif?
Is there an object or method to do this or is it complicated...?
Thanks!

Hi people,
I've a question about scope in java, somebody can help me?
How can access 's' variable in code below?
thanks a lot.

it's the first time i have to solve these conversions and i'm having
too problems......
Excuse me for my english and my java inexperience,i need your help fpr
two situations:

Say i have int array, want to know all the sum combination, ignore
orders.
say [1, 2, 3]
have

I'm writing an application that needs to load a few large PNGs as fast
as possible.  I've previously been using
javax.imageio.ImageIO.read(File) to get a BufferedImage, but I'm
wondering if there's a faster way?  I'm aware that there's

I need to do reliable input parsing of complex input strings, for
security purposes. Regexes are too weak for this. The easy way to do it
is to write context-free grammars and have a tool to validate input
against my grammar.

Hi friends,
 I have an object, IntVector (see code below), with similar
functionality as Vector, but only handles int to save resource/memory
and simplify operation.

Hello... I have a very big prob here. I have 2 IPs. I dunno what
happened but when I executed the same progs in the 2 IPs: in the 1st
IP, the prog was working but in the 2nd IP, it threw an
java.net.UnknownHostException . . . Here is the code:

I was wondering if someone can help me out here please. I am creating a
JTable and displaying it in a window but it gives me Array Out Of
Bounds Exception. The code is as follows
Object[][] data = {

Can anyone tell me, from the code snippet below, what the encoding type
would be for the Object[] below being sent via ans ObjectOutputStream to an
HttpServlet.service? Thanks, Ike
             URLConnection uc = servletURL.openConnection();

Can somebody help me with the theory end practice of automatic garbage
collection?
Thx

I have an application implemented in which some pages are SSL(HTTPS)
secure and some are not.
ISSUE
user clicks on a button which goes to SSL secure page. But if the

Dynamic array creation
Hi all... here's a good one for you...
I have a situation where I have some bean, and I need to populate an
array field in it... here's the problem... I do not know the element

I am trying to write a servlet that receives XML document as Http
response.
Now the problem is that the response xml document has doctype defined
as

In a servlet you can call either getOutputStream or getWriter but only one,
calling the other later gets an IllegalStateException. Is there a way of
finding out what has already been called?
Thanks