Hi, I have writen the class bellow in order to create objects store
inforation about vehicles.
import java.io.*;
import java.util.Vector;

I am starting a no.of threads(500) from my application. i want to
start a new thread as soon as one of these threads dies.Any of the
thread  could die at any particular time.Currently i am using a loop
to check which of the threads is alive and i can use join() for

can someone explain to me what if else staments do and what while statements
do.

I've got a piece of hardware that writes 32 bit int's ( big endian )
into a direct ByteBuffer ( via a JNI call ).  The data is organized
into frames 480 integers long.  The code is running on a little endian
machine.  I've been calling:

I am pretty new to Java and I just install the JDK1.4.2 03
I am getting an error when I run the class file TestChart.class with the
java.exe:
Exception in thread "main" java.lang.NoClassDefFoundError:

I want to use jdb for debugging a servlet.
I'm using Apache/JServ with jdk 1.4 (via Textpad on win2K SP 3).
The 'gospel' I'm using is:
   'Start the server manually and record the password for remote debugging

I designed a calculator, and I need help with the rest of
the actions.  I know I need to use the different Math
methods, but I tried that and it didn't work.  Also,
it needs to work as an applet and application, and in the

I want to use Watershed and Region Growing on some grayscale images.
Is there a library, that I can use for that or must I implement it myself?
Greetings Mark

In the depreceated Date.parse() method javadoc it says:
It accepts many syntaxes; in particular, it recognizes the IETF
    standard date syntax: "Sat, 12 Aug 1995 13:30:00 GMT".
Now, I am trying to use the DateFormat class to parse a string in that format

I'm parsing an XML document with a SAX parser.
I initialise it in the following way:
     javax.xml.parsers.DocumentBuilderFactory docBuilderFactory =
javax.xml.parsers.DocumentBuilderFactory.newInstance();

I want to delete all files in a directory. I am making a backup copy of all
files in the directories say c:\abc by reading and writing to a file. After
making a backup copy I want to delete these files. I am using following
code:

I designed a calculator, and I need help with the rest of
the actions.  I know I need to use the different Math
methods, but I tried tried that and it didn't work.  Also,
it needs to work as an applet and application, and in the

I am having a trouble with designing my application.
I am new to EJBs, so maybe this is a trivial question, but
I want applets to access EJBs.  I believe EJBs are models in MVC.
Applets are like views.  I know servlets are controllers, but since

i have a date stored in String as "2000-12-12 00:00:00.0". is there any
easier way to get "2000-12-12" from it in JAVA.
Please Guide me ..
Jeff

I'm trying to implement a small UDP server who is capable of receiving
client's local time, and send to the client the same information he sent to
server. just this. what do I have to get in mind in order to make this???