I am working on a homework problem and I have run into a brick wall.
I am receving a
java.lang.NullPointerException
at InputGrades.main(InputGrades.java:15)

Hi, I'm trying to know if the finally block in a try-catch-finally
construction is always executed. Throwing another exception inside the
catch block doesn't seem to skip the finally block execution. But I
don't understand why, consider the following code:

What is meant by programming "style" and why it is important

I'm having a dataset which I use to multiply with another dataset. The
number of multiplications is >5000 but constant.
The time for computing varies (~0.1-0.2 s) for different datasets,
although they are of the same size. What is the reason for this

If I run an application from a jar how do I get a handle on the
standard Manifest file so I can read it.
It appears that there is a JarInputStream that can be used to get hold
of the Manifest Object but I'm not sure how I actually get a handle on

I wanted you to know which book is good for JSP/J2EE/servlet beginners

I have a complex report, containing several subreports with titles and
details. But if database returns no records for the subreport it does
not generated and not displayed in the main report. How to make
subreport show something even if no data was received, e.g.

Good Afternoon!
I am trying to write a form processor in java that can handle a
select
box with mutiple options selected.  The problem that I am having is

I'm trying to figure out a problem with deploying my Java Web Start
application, but the console, that I have set to "Show" in the Java
Control Panel, closes during the application start up (along with the
application).  There is something happening (I see something get

Good Evening!
I am trying to create a "wrapper" for a search page. The search page
that I have supports searching by zip codes, but not proximity.  What
I would like to do is create a front end for the search and then pass

i'm finding all kinds of examples to read mail - with the email server
running pop or imap - but - i cannot find anything about using javamail to
read just plain old unix (SunOS or Solaris) mbox mail.  anybody have some
sample code to do this?

I am doing some kind of home work using swing. Unfortunately I am having
problems with setLocation() function. I know it is a bad idea to use
setPosition and I know I should use Layout manager instead of doing that.
Still I would like to do it with setLocation.

I need to convert an Object reference to an integer. How to do it?

Someone recently told me that 60% of the code currently in use, is
written in java.  I have to wonder to myself, "is this information
good? how old is this information?  Does 'code' really only apply to a
particular category of code?" and so on.  I knew java had become very

I have a lot of "classes" in ADA, and I want to make a program in JAVA
using this classes.
For example, I have the implementation of a generic list in ADA, and I
want to use it in an interactive  program that simulate the working of