I have a ByteBuffer named "buf" which is created by the
ByteBuffer.allocate() method and is set to size 1024 bytes for each packet
to be sent over the network.  I also have a SocketChannel named "channel" to
which I want to write multiple ByteBuffer packets.  This is working but

Hi, I have this single circular linked list structure:
   public class ListItem {
           int n;
           ListItem next;

Aim: To add a member into the system
Method 1:
If ( system.validation ( member ) ) {
   system.addMember( member );

I am using tomcat's datapool + mysql.
when I call conn.close() after I finish my job.
what does it do exactly?
it will get the connection back to tomcat's datapool so the next user

I have been having trouble with my file transfer program that I have
been writing over the past few weeks.  It makes p2p to transfer files
and the two sides update each over based upon string being sent over
one port (5013) and the actual data being sent over another (5012).

My background is in Unix C programming, so bear with me...
When I get error messages such as:
  "Cannot make a static reference to the non-static field <xyz>"
I am able to move things around and make the program work. I do have a

I was very happy with Turbo JBuilder when I made a bad mistake: I
downloaded the JBuilder Enterprise trial to check it out.
The first sign of trouble was that the About dialog in both versions
showed "JBuilder Enterprise 2007". When the trial period ended, I

I am using 1.6.0_03 under Win2K SP4 for a couple of apps and in both
cases I see a problem with the File Open dialog box.  When put in
"details" mode the columns include "modified" which should be the file
date.  But instead I see the file type.  There is also no way to add

Dear Group,
i'm searching for a Java library which supports all ways of set
handling, like generating a set of all prime numbers up to 10000, diff
it to another set and so on.

Is there somewhere on-line I can go to find out about Java Servlets,
JSP with JSTL, and JDBC?  I also need to know about the Java 5
enhancements; I know that you can get the "Scanner" class in Java 5,
but I don't know anything about any other enhancements.  Any

lam trying to write a jsp client for an axis2 web service.
The web service is already up and running, so the wsdl is already
created by axis2 automatically. I still don't know how to create a jsp
client, which would just call a axis2 web service function. I would

Swing offers:
- AbsoluteLayout
- FlowLayout
- BorderLayout

JFrame.add() remove() and setLayout() all point to the JFrame's content
pane now.  In what JDK version did that change take place?  I can't find
a reference in the docs.
Thanks,

I have problem with the sending pictures that when im send it to some
body not appeares to them at all in the sending messages only the
words can be appear
thanks