I've been using the javax.crypto package for several months with no
incident.  However, starting yesterday, my applications suddenly fail
with the exception noted in the subject.  There must be something very
wrong with my installation, because even this trivial program fails:

Howdy!
I'm trying to construct an UDP datagram packet with an array of values.  Two
of the values should be 0xC1 and 0xEA (as captured on the wire).
If I build a byte array with these values, I get a loss of precision

Hi, i'm trying for my first time to use some java-based software, but
i can't
get any JAR files to execute. I tried the following command-lines:
  gij -jar FILENAME

I'm on a mac, and after it installed the auto-update to version 10.3.9,
my java web start applications no longer seem to work,  specifically
BlueJ (http://www.bluej.org/download/download.html).  When I open the
app, the little bluej icon bounces in my dock for a little while and

I have a web application, coded in JSP/Servlets, which is running on our
production Redhat box. I also have a testing environment setup on a
different server (again Redhat), which is essentially an exact copy of
the production.

I need help on the following:
Problem Statement:
A registrar maintains records for a collection of courses, sections,
instructors and students. Any course, which is given a name, and is

I'm trying to generate a native linux executeable using GCJ. When I
try to compile my java program, I get the following error message:
Class or interface `javax.net.ssl.TrustManagerFactory' not found in
import.

hi, I have a fairly decent understanding of java applets.  I know how
to put images in the applet, move them around a bit, etc.  My problem
is, I'm trying to create an effect so that basically when I call some
method makeBang(x, y, image) it will create 2 to 6 random images, which

I'm making a webpage using JSP and I'd like to be able to print to the
webbrowser in my class.  Below is what i think is the relevant part of
my class.  I believe I have included the right packages and I believe
everything else is correct but for some reason I get an error when I

I have program, which does network communication using the new NIO
api. I would like to compile the program into native binary code for
linux.
I have managed to do so using Excelsior Jet and it works quite well.

i have javascripts file validations.js. and i want to use these javascript
functions in my jsp pages which use struts html tags..
i don't know how to invoke these functions from <html:form...(struts html
tag).

   i have configured openldap.i have done all the settings in the
weblogic8.1 server administration console to connect to this ldap.Now
i want to retreive all the attributes of an entry stored in this
ldap.Also want to add some more attributes.

I have a frame containing a JTable and a panel with buttons. When the
window gets resized, I would like that the jtable takes the extra space and
that the button panel stays the same. How can I do that? The jtable panel
is already the "Center" and both panels stay the same...

Hello all, I was wondering if anyone knows the standard way in which
java implements hashCode?
I want to be able to take two keys and make sure that they are placed
within the same 'bucket' in a hashtable. This is probably bit strange

I am a little confused on how to use arrays within an Form object.
If I access the form object like <html:text property="myArray[0]"/> if the
object is null the page doesn't display correctly? Am I access the property
incorrectly? Or do I need to change the getter method? ...