why does tomcat sometimes give so little info on what is causing an
error...  how am I supposed to know what causes this error??
  org.apache.jasper.JasperException: Unable to compile class for JSP:
    [ info missing here it seems...........]

I am confused. Given the two codings below:
the Applet and the JavaScript, is it correct to say that
the Applet is calling the Javascript or the Javascript is
calling the Applet?

i would like to ask you , especially the experts in the field
about some good sources of theory, exercise and solutions
available online, concerning the Big(O) notation.
i ll appreciate if every one who would like to help me,

As may be I have made it more complex than what I wanted at the beginning my
code does not work with this :
       public enum myMenuEnum {
               /* we initialise menu item constants */

I wonder if anyone has written a script that acts like the which
command but for java class names. Where the command name would be
given the class name is given and instead of using PATH it uses
CLASSPATH. I know there is a web facility to do this for well known

Hi all. I am currently developing a java application where it has to
read down a column to get a computer name and then look along the row
in order to get its mac address. How would I go about doing this.
Any help in this matter would be highly appreciated.

I am currently developing a java application that is capable of
shutting down computers, restarting them or using Wake on LAN to turn
the computers back on again. I have managed to develop the program to
allow the program to be able to shutdown or restart computers but

I need to declare an array, but not give it a value initially; values
will given inside conditionals.. I need to do what with strings you
would like this:
  String example = "";

java Interview Question bank
http:// www questpond.com

Let's say you have two ads, and you want to put the one of the two ads
at the bottom of every web page on your site.  You want about 1/4 of
them one add and 3/4 of them some other ad. You want the process
stable, so that you rerun the program any individual file will get the

I'm trying to figure out how to get a list of constructors for a Java
class from a native library using reflection. I first wrote a program
just in Java (ReflectExample.java) to see if I could use reflection:
  import java.lang.reflect.Constructor;

Very likely this question is a classico ; I have a method that gets a
variable string menuItem as argument and I want to test the value against
some known strings ; so far I have proceded with the typical if ..else...
structure :

I am a system admin, with a little java knowledge, and I am being
asked by a software company to add a the same jar file to CLASSPATH
and LD_LIBRARY_PATH.  I thought CLASSPATH was used to report to the
JVM about where classes may be located so you can add the class

I want to parse a string in a positive integer number.
I've already tried with the following code:
//...
DecimalFormat decForm = new DecimalFormat();

I need to develop small application with the table (insert, edit, delete,
sort), tree and menu. Standard stuff. I have Derby and Tomcat installed in
Eclipse 3.3.1. I figure out how  jsp and servlet works, but I'm not sure
that jsp components will be functionally good enough for ...