this seems like a commonly asked question, but so far I haven't found
an answer that works.
I wish to have a jar file which by containing a class which extends
JEditorPane and some html files, will display the html files which are

in an action method, i'm setting a string to request as
request.setAttribute("ACTIVITY_ID", activityId);
in the jsp page to which the action is forwaded after this action, i
need to set the value of this into a <html:hidden> tag.

example: write a function which will given decimal number round for a
specific number of decimals.
Function has a 2 input parameters(dec. number and number of decimals) and
returns rounded decimal

hi..
i've trying to find a small freeware to reverse-engineer my java source
files to xmi files or other uml formats which can be seen in visio,
anyone know of such a tool?

I have reached a stalemate with a coworker in a discussion about a
particular design issue and I'm interested in getting a few other
opinions. We are developing an MVC web application using servlets and
JSP. Currently, we use a servlet as a controller that instantiates a

I'm reading textual data out of an SQL Server 2005 database. This works
fine as you'd expect, however, when I attempt to decrypt encrypted data
using the Java cryptography classes I get the following error:
javax.crypto.IllegalBlockSizeException: Input length must be multiple

This has been discussed to death, but I still can't get my head around it.
I want to compute a day number from a date and then get back the date.
Could anyone please point out where I'm going wrong? I guess I'm
misunderstanding something about Calendar offsets, or about the

Hey guys I'm Gessa
I recently started my graduate studies where I have to take at least
programming two, the last programming class I took was in my associates
degree and one in the beginning of my bachelor's degree. And need some

I have to create processes within a Java class on Solaris 8->10 and I
noticed that I was unable to kill the process I created.
To test, i created a sample test.sh file that just does a sleep 1000000.
I call it from my Java class.

Assuming I have the following:
byte[] bytes = new byte[100];
int pos = 0;
which is faster:

I've got some code that stores its data to a file using object
serialization.  I've refactored the code by extracting a superclass and
creating a new subclass.  The details of all this are really unimportant,
but the point is that the new class hierarchy is different from the old

I am new to spring and is wondering how to use hibernate helper classes
of spring.
I also need good tutorial for the same.
Plz tell me is some is having good  links fo the same

My project need to execute some certain actions in a period of time,
and I am using OS's quartz to handle the schedule, are there other
choices on this solution? Thx!

hello...
as a beginer in Java I've got a few workbooks for practice, so
here's one example.
-how to exchange content of 2 int variables x and y using only those 2

When I'm writing single test, it may fail() at any moment of the test.
Since I create some resources in the database in the begining of the
test, I'd like to remove them whenever the test finished (not matter
whether with success or not). Thus I'm looking for an approach like