Java.sun.com, Sun's main Java site, has an interview with Peter von
der Ahé, (http://java.sun.com/developer/Meet-Eng/vonderahe/) Sun's
tech lead for javac, Sun's Java compiler, who
claims that if developers know how to use the Compiler API, it will

hai friends....
i need the code for connecting with web camera through java..
please help me out...
with regards

Hello everybody.  I'm doing my final project for my AP Java class and
I was wondering if anybody had any suggestions on how to use air
resistance.  I really don't have any idea what to do to use air
resistance in my program, but it's required.  My program is going to

I don't have the stack trace handy, but I've been fretting over an
exception I've been getting and hopefully I can provide enough
information:
There are two classes in the same jar file.  One calls the other by

This was a discussion my co-worker and I had awhile back and I was
curious what the group thought.
for(int i=0; i < someValue; i++) {
 // do stuff

I've been away from java dev for a couple of years and don't really
know what has happened in the interim.  At that time, a typical web
app would probably use struts and personally i avoided EJB completely.
So, is JSF better than struts (or would you use both?).

      I am not familiar with Thread in java.I have one scenario.Let
me explain conceptually.
suppose i have one method
public synchronised void m1()

I developed a JNI DLL to use with a Java Web Application.
This DLL is used to communicate over a RS232 port, and it must notice
any event that occurs on the port to the java application.
I tested it before with a Standalone app to make sure all works, and

i am confused about iterating through a map in struts.
i hav a form bean LoginForm.and a getter mathod getID(),which returns
the values of a map if passed the key as parameter....my code..
/*public String getId(String key)

I'm trying to reorder the list of data  on JSP using AJAX. I've
created a JSP say "index.jsp" that includes "list.jsp".
"list.jsp" is bringing the list of data. There are four ('first',
'last', 'up' and 'down') buttons after every data, for rearrange the

Hi!! I have got points like this (in a file): X=2,923, Y=-0,232,
Z=7,890.
In Java 3D, points must be between -1 and 1 (in a intervalo [-1,1]).
How do you change this points to intervale [-1,1] ????

I am new to hibernate and was experimenting with inheritance when i
ran into this problem. Basically i have modelled an entity named as
Tag which has 2 major attributes. TagTitle and TagData. Now Tag is
subclassed by many classes like LocationTag, CommentTag , ImageTag

I included the error I get in my browser, the localhost.
2007-04-08.log, the JAVA_HOME and startup.sh when running a servlet
called Login. The error is Error allocating a servlet instance. I
would appreciate any pointer to help me fix the problem.

I have problem with JDBC.
I am using netBeans 5.5 along with MySQL 5.0 And connector/J Driver
for the same.
I have installed it properly.Even though I am getting database

In my application, I perform serialization on my JTable's TableModel.
I realize that, even I didn't make any modification (either save or
delete data) on the JTable content, however, everytime I save the
JTable's TableModel, the serialization file will getting bigger and