I'm writing a server side (in JAVA) that is receiving UDP Datagrams
from clients.
Say a client sent to the server 1 packet, but for some reason the
packet was not fully received, and after a while another packet was

I try to Serialise an Applet on my WebServer, i convert Object to
ByteArray, before sending it to webserver.
There is 2050 bytes in byte array on my applet before sending it, and
2062 bytes in byte array on tomcat !

I just installed the "jdk1.5.0_05" and I want to compile using the
"javah_g.exe" JNI compiler.
This method is documented in my local JDK 1.5 install (do not be
confused with "javah.exe" which is the optimized JNI compiler)

Hello and Merry Christmas!
Well, I have to create a plugin with two views. When the user change
the selection in the first view - the displayed info in the second
should be changed automatically. How can I access the second view from

I have here a panel on which 3 controls are displayed. All of them show
some information of the same data object "Data". Every of the three
controls listens to changes in the Data object.
Now however, when the user clicks something in eg. control2, that

      Thank you all for having this group.
       I am new to the world of java.
       I want to write a java program were the strings are stored in a
tree (not binary tree).

I heard that Security is not covered completely in Java resources available
from Sun Microsystems'.
I'm trying to understand then, several things related to internals of Java
VM.

I have:
/////////////////////////
class Model<T> {
    public List<T> getAll() {

I am looking for a way to associate a JComboBox to a *dynamic*
(growing) list of contents.
What I have so far is this:
(1) Read the items one at a time and add them to an ArrayList like

Makefile file is:
--------------------
JAVAC=javac
CLASSPATH=./src:./ext:./ext/jdom.jar

I was having some problems with sockets, so I did some research to what
could cause the error.  I have found what caused it, but I'm affraid I
don't have a single clue of how to solve it.
I created a ServerSocket on the first comp, listening to port 5000.  No

Self proclaimed java newbie here .. I've done some research but I might
be going in the wrong direction on this on. I'm trying to build a
simple J2ME text file search that returns every LINE that contains a
STRING in a resource file text file. Problem is, apparently regex and

i have a problem reading variable from url to the html page that he
lauches.
example:
URL :

When executing a class file I keep on getting these errors:-
java.lang.NullPointerException
       at java.awt.Container.addImpl(Container.java:625)
       at java.awt.Container.add(Container.java:307)

I added the following command to my code:
ProcessBuilder pb = new ProcessBuilder("myCommand", "myArg1",
"myArg2");
and got this error message: