I have problem with send e-mail, if I send one mail is ok no problem, but if
I send mail in loop I have exception,  this is code :
mail.polacz_SMTP(smtpServer);
   while(st.hasMoreTokens())

I'm trying understand jdk 5 reflection.
I know it's for loading/invoking method on the fly. I'm wondering, any
simple core-java example (not sort of EJB, rmi) illuestrated how an app
re-compile then invoke the newly classes/methods, and why need to do

I have a web app running in Tomcat and it can be configured with various
parameters.
In particular, one of the parameters is a file path that defines where
various work files, uploaded files and logs are written to.

Is it safe to mix unbuffered OutputStream and Writer output?
for example:
public void output(OutputStream out) {
 Writer w = new OutputStreamWriter(out);

i'll try to tell you what i need to learn..
I have a special panel class extends from JPanel, i'm calling this
class from my application class which runs main JFrame and i send image
list to my panel class. it creates buttons with images as icon and it

i am trying to write a web service with java and axis2. but i have a
problem creating the wsdl-file cause i don't find the java2wsdl.
in the api it isn't listed either?! so how do i create the wsdl-file
with axis2?

In a typical (MVC1) application.  You have a HTML-FORM posting to
servlet-A and getting request parameters/values from the request
object.
HTML-FORM ==> Servlet-A

Hey everyone,
I'm a freshman in college and I'm currently learning java for one of my
classes. I know this question is really simple, but I've seen a number
of different ways to do this, and the example my teacher provided

I have created two class: ClassOne & ClassTwo (with main) in MyClass
package. When I run it in eclipse everything goes okay. When I create
jar and choose ClassTwo as Main everything goes okay.
But now I am interested in running it just from class files. What is a

I have this source code here where it cant find the file:
Staging_PasswordAdministration.properties.
No clue why it gives me this error because the file is named correctly
and is in the same working directory as the jsp file.

I have a application called as "SUN Identity Managaer" . once the user
authenticates using username/password, I redirect it to the custome
page ( please read... I REDIRECT IT TO THE CUSTOM PAGE ), where I ask
him second level of authentication questions.

Hello all , I am a newbie in java .Learning core java concepts and i
got confused with this piece of code . The output of code is "Extends
Super" . First time it prints Extends because of overriding but why it
prints " super" later.

Hi, every one!
I am working with time synchronization. There are many SNTP client
implementations.
But I cannot find any SNTP server implementation. Pls help me where I

I was wondering if its possible to redirect input and output of a
JClips class .
I hava a java application with instance of JClips class (it makes
possible to fire CLIPS expert system in java), a clips file with code

Hi zusammen,
ich habe hier gerade ein kleines Problem. Ich brauche ein tool, welches
manuell port forwarding beherrscht, dabei aber zwischen SSL und
nicht-SSL ports vermitteln kann.