Is it possible to catch (and hence respond to) Null Pointer Exceptions that
could occur anywhere within my application?  I thought of wrapping the
main() method in a try/catch block catching Exception or something along
those lines but I can't see how to get it to work.

Happy Friday Everybody!
/* * * a little background * * */
I am trying to decompile some legacy code I have inherited.  Only the
.class files are in production.  I have (most of) the source but there

Ok, here is a problem.
How would I display line numbers next a text displayed in a web
browser?
The problem is that web browsers wrap the text as desired

      I need to send email attachments with their absolute paths
specified in a DB table using Java Mail API 1.4 , i am newbie and not
very much familiar in Java Mail methods ans functions,
                                                             Thankz

I'm trying to use Java Me ,
My first simple app would connect to a webpage and show html code in a
textbox.
I use  code that i found in javax.microedition.io.Httpconnection,but I have

I've installed jre 6 I can't find any option to change the display
language for the java control panel or java console. I have win xp in
English but with a Spanish country setting. I know if I change the
regional setting to English it will run the java control panel in

I am new to this group and learning Java, i have a doubt can any one
answere to this Q!
When we use the binary string concatenation operator (+), how many
String

Please try.
http://javainterview.tripod.com
AND
http://java.schoolreference.com

This program is correct in syntax but semantically wrong.  Please check
it out.
<code>
import java.io.*;

I want to find out how much free disk space is present for a particular
directory in unix system.
For this I'm executing command :
p=r.getRuntime().exec("rsh "+machine[i]+" \"cd /scratch; df -k .\" |

I'm working on an applet that has to make network connections.

should run outside the sandbox and have the necessary SocketPermission
to use the network. I have my applet signed and certified by Thawte and

I've used both Java and C# .NET and am a fan of both. I loved Java for
generics in 1.5 and Java still rocks at it. C# .NET then incorporated
that idea, though it's not as programmer-friendly as Java's solution.
I liked the C# .NET bandwagon as the language supported properties - a

I am trying to start jboss with no success.
I am using the target Jboss environment which was built using mvn.
The same target is running with no error on my colleague computers.
The error I got (full log can be found in the end of the message):

I have a class that when run will call a private sendEfvent() method
that sends data to an external process. I would like to override that
behavior in testing and just report what is set to avoid the
complications, etc of having to use external processes during unit

I  want to connect to IBM db2400 of AS400 through java in websphere.
The code I have written is follows
package com.jdbc;
import java.sql.Connection;