I'm developing an application on a PDA.
Now I want to use scrollbars (because it's a small screen :-) ).
It works fine with the option "scrollbar_always", but in one class I "paint"
the panel with a kind of map and he don't want to add scrollbars here...

The following code was repeated three times to store 3 files into 3
individual hash sets. I now need to compare file A to file B, i want to
see how many of the words in set A are also on set B. (Each set
contains the same number of words).  Im not sure how to implement this,

set REMOTE_DEBUG=-Xdebug -Xnoagent -Djava.compiler=NONE
-Xrunjdwp:transport=dt_socket,server=n,address=8081,suspend=y
%JRE%\bin\java %REMOTE_DEBUG% -classpath %CLASSPATH%
-Xbootclasspath:%ORBJARS%;%JRE%\lib\rt.jar  package.myClass

I am new to developing applications in struts.I ve added the following
validator plugin entry in my struts-config.xml
<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE struts-config PUBLIC

public class myClass implements Serializable
{
 private int intData ;
 private String stringData ;

I have seen many examples how to close sockets but nothing about how to
tear down RMI client/server connection properly. Is there a way to do
this graceously? In the server code below, I exit by invoking
System.exit(1) but it doesn't close objects.

can anyone tell me what the best tool is for presentation layer ?

inside one of my Class i've method which make this operation:
.....
Call call = (Call) new Service().createCall();
call.setTargetEndpointAddress(new

I need to show visualization of my classes in my Swing Application, are
there any components i could use to do this ? ( im not good with graphic so
i would not like to do it myself )

 I am working on an application that gets large objects from a remote
 server and stores them in a Vector for a short period of time. When
 the next set of large objects come in the removeAll() method is
 called on the Vector object and the next set of large objects are

How can you tell, in a KeyListener, what the length of the document is? I'm
struggling with wanting to only do something on the first key pressed on a
document, and after that, to ignore the KeyPress altogether, but cannot
figure out the length of the underlying document.

i am trying to capture packets using JPCap, but I always get an error:
java.lang.UnsatisfiedLinkError:
/usr/lib/jvm/java-1.4.2/jre/lib/i386/libjpcap.so:
/usr/lib/jvm/java-1.4.2/jre/lib/i386/libjpcap.so: undefined symbol:

I am a new guy here and have some problem I can't handle. I just write
a small class that hava a inner class. When the program running to the
line that I marked with **, it will call a exception like this: at
basicDomainNameLookUp.WellKnownPorts.<init>(WellKnownPorts.java:27).

I have developed a Java application that makes use of a local MySQL
database. Is there a way to quickly install this application on a
user's computer without the burden of having to install MySQL first and
import the database?

I've given up on it and started using
gzip.  Its about a bazillion times
faster, going from minutes to seconds
for some our large code generated jars.