Thanks for help.
I want to package/protect my source code for distribution, but user
can easily decompress JAR file to java souce code.
How can I protect it?

Kinda confused how this should work. I have an entity bean that has a
getter method in it. My DAO implementation class needs to make a call to
this entity beans getter method because I don't want to move the getter
method into my DAO class.

Is there any free servers on the internet where one can create some
J2EE applications and run them?
I have a PC/Windows at home but my cable company won't let me be a web
server.

      After re-install netbeans IDE with wireless toolkit, my IDE
show a problem when I compiler java code every time,
".........\nbproject\build-impl.xml:228: Execution failed with error
code 1."

I have class TieredStorage.
class TS
{
LinkedList<String> level1, level2, level3;

I have been trying for some time now to write a simple RMI server/client
program that can run on a local machine and displays a simple text message
to the user.  I have managed to get the server up and running and the client
reads in the message Ok, but when I alter the contents of ...

I'm working on loading JMF linux native libraries (Linux Performance
pack) through Web Start unlder Linux for my application. I jared all
the "*.so" files in to a jar file, and signed it. Then I used
"System.loadLibrary()" to load these native libraries. The

If I put classes12.jar in the classpath everything works fine. But if I put
it in the lib folder it returns this error. This is the same with 3 other
jar files I have too so I don't think it is unique to the oracle driver
java.sql.SQLException: Cannot load JDBC driver class

I've coded a XML parser, but I can't figure out, how to make it validate
against a DTD. Does anybody have any ideas? Here's the code:
import java.io.IOException;
import javax.xml.parsers.DocumentBuilder;

I want to print out the string "Hello World!" to console at a random
interval, and the average length of the random interval is 1 minute when
the string is printed out hundreds of times. Anyone know how to accomplish
this?

Can I pass an object by reference, modify this inside the method and
have access to the modifed object after the invocation has returned?
I seem to have trouble doing this in Java and I was wondering if this is
me believing I can do as I am used to in C/C++. Can it be done in ...

Can Math.random() be used to randomly generate int values, or just doubles?

-!Hei!-
im makin a Ultima III style rolegame with Java..
i need to save and load game levels from my level editor
but i dont unfortunately know enough about java to do that..

I was just wondering if it is possible to assign variable names with a
variable. I can't think of a better way to phrase the question so I'll give
an example:
If I am creating a frame with, say, 3 buttons, I need to create the buttons

I have some simulation applets (see http://habitforming-sw.com/ffw/) and
I want to include a list of links on each applet's page that when
clicked will load preset values into the simulation. That way my boss
can run through a presentation real quickly without having to type in