I was thinking about a pleasing feature of TCP/IP.
The throughput does not depend on how many hops it takes to get to
you. It depends on the speed of the slowest hop, which would normally
be the one next to you or next to the server.  TCP/IP is like a very

I want to make a grid of JLabels. I want to have 4 rows and 4
columns.Any ideas?
thanks in advance

I'm trying to find a way to programmatically retrieve security
constraints from web.xml. I was not able to find any api for this in
J2EE.
My target platform is WebSphere 6 J2EE 1.4.

I have to develop a Windows GUI using Java to control a HP spectrum analyser
via the serial port (RS232). I know that once there was a Sun's package that
allowed to build applications using serial portS (javax.comm) in Windows OS.
But now that package is only for Linux and ...

I've created abc.java file in c:\sun\appserver\jdk\bin.
I've made this my current directory.
I compile by typing at the prompt javac abc.java.
It compiles.

I'm wondering how to load java app from a single exe file, just like
eclipse, in which eclipse.exe file launches all eclipse application
written in java.
Does anyone know how to write such exe file using c or cpp to launch

I'm looking for info about using AJAX for building mobile app, so please
post your link.... :-)
Also what is your experience using AJAX on mobiles, is it a good or bad
experiece, and why is it so?

This code works perfectly in IE, but does not work in Netscape 7....It
is designed to force the user to only enter numbers into a textbox.  I
also want to allow them to tab over the box as well as handle an enter
key press while they are in the textbox.  Here is the code.....

I am trying to add columns in table dynamically using  java, means if i
crated a table then i shuould be able to add/ remove the coloumn in a
table at runtime. when the column is added or delted it should not
effoect other columns.

I've got a class which sends multipart MIME data as a POST request to a
web server.  It works fine with small files, but larger files (still
<50Mb) cause it to throw an OutOfMemory exception:
Exception in thread "Thread-0" java.lang.OutOfMemoryError: Java heap space

The Subject Line is self explanatory for this topic

as in the title - please yes or not !!
Marcin Opaska

I want to get a list of week numbers given a date range. Please help me
out.
For ex
Start Date Jan 1 2006

          In an application i'm developing, i have a class say X and
an arraylist of X ie,
list = new ArrayList<X>() ;
and i have added an object of X into list

Eclipse warns me that some classes of mine are inconsistent in
hierarchy, I cannot understand what is going wrong, appreciated for
helps!