I have been using javax.sql.DataSource to get a Connection to the database.
Since it's supposed to get a Connection from the pool, I am wondering once I
am finished with the Connection object, do I need to close it? How do I
return it to the pool?

i am working on java-jsp application and using MS-SQL database.
when i do any update operation using front screen(in html),it gets
updated in the database but it dosen't show those updations in the
front end.

I have a java/jsp program and am using this statement in my jsp file:
<%@ page import="java.util.*,test.*" %>
But, I have to use some standard html that includes various images (to
get look and feel

When a user clicks X on the window to exit, how do I set it up so that
a function is executed before the window exits ?  Basically, this is to
give the user a "file not saved" warning before exiting.

I have a problem that whenever I enter arabic text in a jsp input field it
gets garbled.
To test this I have written a jsp that just copies text from one box to
another and its garbled in the destination.

Consider the following example:
E.g.
Use a class to load configuration data from database at application
startup, anywhere in the application should be able to access the

Hi, all.
I am new to Java, though experienced in other languages, and I am not
really getting the CLASSPATH thing.  Here is my exact problem:
I am trying to use an SNMP library (from Westhawk).  The library tests

I can create a SimpleDateFormatter with the correct timeZone.
If but when I use format(Date D) it always displays the date
using daylight savings (which are currently in force in the UK),
(eg new Date(0) has 'HH' set to '01' when formatted.

Microsoft .NET or Java?
Does anyone ever come across this issue?
The company I work for is starting up discussions to choose a strategic
platform to use going forward so in order to get some background industry

which is more 'politically correct' (or should it be said as more
acceptable):
String myString = "something";
a) if ("something".equals(myString)) {...}

I'm interested in knowing why the following is wrong.  I know it is
wrong, I'm no looking for a "correct" way to do the following (Joshua
Bloch and Doug Lea already taught me that [no I don't know
them]   ;)

i am working on java-jsp application and using MS-SQL database.
when i do any update operation using front screen(in html),it gets
updated in the database but it dosen't show those updates in the
front end.

Hi i m newbie to java.
can anybody tell me can return statement be used in catch block.
if yes if it is good programming practice..pls explain

I need some samples of using threads.
Need also specific solution for :
there are  n threads in an array of thread,
each thread represent a value 1 to 100

Is there an exception, error, etc that I can check for in the event an
over-/underflow?  For example, trying to put 129 into a byte variable.
The program will run fine.  But the result will be -127.
Thanks.