i was trying to encrypt and decrypt a string using CipherOutputStream
and CipherInputStream as below.I wanted to write the encrypted string
to a file "encfile.enc" using CipherOutputStream and then read back
the decrypted version from that file using CipherInputStream

import java.io.*;
The following code compiles and outputs :
                   primitive integer
Can someone explain how the call rw.go() can invoke void go(int...i),

I'm trying to get started with JBoss and I found this link on how to
deploy one's first web app... http://centerkey.com/jboss/
When I get to the last step, and I try to go http://localhost:8080/helloworld/hi.jsp,
I get a page not found error.

I have a Java bean web service which has different required roles per
method.  (In one case, the required role even varies depending on the
parameters.)  Since this can't be done declaratively, I'm calling
ServletEndpointContext.isUserInRole(String roleName) and throwing a

After seeing part of the discussion on exceptions, I decided my
application has matured enough that it deserves logging.  I’ve been
happy with console messages as long as I was developing, but now I have
testers, and the log files would be useful.

A method? A class? A bunch of related classes? A module? An API we
exposed from a module? ...
My opinion is all of them are units for different test requirement.
But my friend doesn't agree. He thinks we should only write unit test

I am trying to compile some code, but can not since the compiler can
not find the junit package.
The line in questions is:
   [javac] C:\EclipseProjects\chs\src\com\sample\foo\AllTests.java:3:

I don't mean that to sound like a troll.  I'm only curious because of
the new MVC preview for .NET.  Having studied Java, about all I could
find was MVC everywhere.  I looked outside of Java and found MVC
utilized a lot.  I looked back and MS and found that it wasn't there,

I am having an issue with BigDecimal  and compareTo() not being
consistent with equals. I have read the documentation and know why
it's behaving that way, but I don't understand why they would
intentionally make compareTo() inconsistent with equals()

The import  javax.servlet.*;  javax.servlet.http.*;  failed .
I'm  using eclipse (europa). Please help.

Intrested people please visit site www.sigilacademy.com.

Just revising for my SCJP exam and have a couple question I trust you
will be able to help please.
1)
below is a package structure for a set of classes

I'm trying to use EJB 3.0 to run a simple Dynamic Web Application
I have never used Java before to connect to a DB but I am fairly used
to the language.
However there seems to be a lot of information that unfortunalety

Intrested people please visit site www.sigilacademy.com.

I gave the radio button in iteration loop here. i have 5 iteration
record.
when i click the 5th record the  radiobutton enabled in 5th
record(last record) & then the first radiobutton  is not selected when