I am new to Javamail. I was working on a project in C++ under MS Windows
(I know, boo) and decided to switch to Java. Most things are going well,
except the mail part. I need to send and receive E-Mail with POP3 and SMTP
running on SSL. I need to use authorization and ...

we are using Java JNI to call C++ methods from a java application. Java
is calling a get method to get data, the type of this data is variable
(int, double, string)
Is the JNI jvalue (union) datatype the right usage for this? For example:

JPRINTOUT 2.0.0 HAS BEEN RELEASED - pure java professional reporting
solution for embedding in your application.
With set of flash demos it takes just a few minutes to catch up main
stream of using software, learn principal features, and get intuitive

I need to run a command line program inside my java program. Hence, I
have to use
 Process proc = Runtime.getRuntime().exec("myprogram");
to run the command line program for me.

I am having trouble using the jstl core tag library.  I have used this
library before, but for some reason, it is not working now.  I have
downloaded the tag library c.tld.  I have placed it in my WEB-INF
directory, but I can not access it.

There are a number of ways to get a security certificate that
will (if accepted by the end user) allow applets and other
projects to gain extended privileges.
However, signing an applet or application can be a daunting

I'm in need of a relatively simple uml tool where I car draw class
diagrams and package diagrams ect. and get the code generated and vice
versa. Namely collaboration/sequence diagrams from code..
I've tried Together and Rational Rose but I was wondering if there was

I am writing a program in Java. I have following requirements.
We have large data set points whose value will range from 100 to 1500.
We need to select 10% of dataset points randomly. So if there were
40000 data points - we need to select 4000 points on random basis.

I have the following program
import java.net.*;
public class Inet1 {
    public static void main(String[] a) throws Exception {

I just found the bean class to connect db with servlet.
I found this line in constructor.
(DataSource)javax.naming.InitialContext.lookup("java:comp/env/jdbc/bn");
This means this guy is using ejb to connect to DB?

I do have an applet with a background Image.
I'd like to display a jpeg image and choose one arbitrary color as being
transparent.
This would allow me to dispolay the jpeg over the background.

I've been charged with the task of porting a small web-application
from its current incaration as asp-pages using COM components for
the business-logic to a cross-platform solution where the owner
can choose where to run it (Windows/Linux/xxx)

If you want to go for j2ee solution all the comunication btwn
server and client will be done with xml through http?
If so, some times xml response can be huge and i want to know
if there is a solution to this problem.

I'm facing the following problem:
I've two classes named Plaatje and DiaShow (see below) I want to display the
Image plaatje in the method run (which is in the class DiaShow) but it's not
working although the path is correct. What's the problem. Can someone help

Hello, I'm trying to reconfigure a test project (I used it to learn java -
it's a blog system based on Velocity + Hibernate) that I've left for few
months.
I've spent 2 days trying to understand why I only get HTTP 400 error ("no