I am getting the following error when I login to the
webpage( Application -- viaxutil).
Tomcat is running on a Solaris Machine, I am accessing this from IE.
Error: 500

Why Outer Class not Defined private or Protected?

I'm working on a multi-threaded download manager. The code given below
is run by several threads. The code tries to read a set of bytes from
a URL and writes it to a random access file. Each threads writes to a
different part of the file, hence the need for seek().

Hi all, a code factorization question...
the following expression:
a.equals(b)
returns a boolean, even if 'b' is null (in which case it's obviously

i had created the array object by using getter/setter method.while i
try to retrieve the elements from the array object. null pointer
exception raise in line no : 35 and line no: 64 .Any body help me to
over come my problem.here's my coding

I have a game which I'm hoping to use RMI as the transport between the
client/server.
Obviously we don't want people  cheating or otherwise hacking the
server... Is RMI a good choice? My remote interface only exposes

How can I find out where the class files are installed in a
programmtic way?
Thanks,
Menlo

If i retrieve a message using POP3 in a Message object and call the
getContentType() method on it, what all values can I get?(I know
"plain/text" and "Multipart/alternate")
If I want to display this message or store it somewhere(in some file)

I'm not sure if this is possible, or even a very good idea, but here's
what I'm trying to accomplish.
I have a top level interface, InterfaceMain. Then I have a bunch of
interfaces that extend InterfaceMain. Now, I've got another interface,

I have an employee class that needs name and age to be input from the
console, but I cannot control the cursor, which always go to the front of
the prompt line, making my program look not so professional.
Is there anyway that I can let it go to the end of the prompt?

I have a little project I would like to get underway and I am
wondering which platform I should use
I would like  to create a small web application which has a facility
for activating a form, this form would have a series of check boxes or/

How do you prevent unchecked cast warning when you read a parameterized
object from an ObjectInputStream?  If TreeMap isn't parameterized then
this doesn't happen but that isn't really a good solution.  Or should I
just ignore this?

how change charset for this string from cp1250 (Windows) to UTF-8
all Program in java is default running in UTF-8
     File f = new File("C:/myfile.txt);
     FileReader rd = new FileReader(f);

I'm downloading mail from a google account using pop3.
The dowloading is going well(at least for some messages).
When I display the contents of the message or the sender and receiver
addresses it shows some wierd thing that at least I cannot

Hello to all programmers out there.
I have some concepts which were very fuzzy for me so I just wanted
them to get clarified.
· What is the difference between the import statement and the