Can someone help me with a hashtable. I have no idea how to code it. I have
discrptions but no clue how to set it up from a comma,dilimited, text file?

if i have a group of routines in a library, is there any easy way to
intercept the calls.
for example  if i have  a library called com.sql.X
and want to check the connection before performing sql, do i have to code it

I'm running Tomcat 4.0.1. I've a simple html page which executes a jsp
page upon pressing submit. I'm getting status 500 internal server
error, upon pressing submit. It shows the following exception:
javax.servlet.ServletException: sun/tools/javac/Main

I am trying to port an audio playing unit in, written in C, to Java. I
am having trouble getting any sound out and the write method keeps on
belong for several seconds. Can anyone look at the code and tell me
what is being done wrong?

I am investigation some ldap stuff and one of the methods (search) used
has this signature -
search(java.lang.String base, int scope, java.lang.String filter,
java.lang.String[] attrs, boolean typesOnly, LDAPSearchQueue queue)

I am trying to get the url with following using Java. I need to change
the user agent but I can not figure out how. Can you help me?
URL url = new URL(url);
BufferedReader in = new BufferedReader(new

Hi All
I'm trying to understand Exceptions and IO in Java and am faced with
the following small program which just copies one file to another.
The problem is that Eclipse tells me that I have two uncaught

I working on a program that need to "simulate" a unix shell.
I know that have some stuffs to send commands and "read" output, but a
need for something that only unix shell can do, like press the TAB key
to complete the word, etc etc.

Folks
I am using java version 1.5.0_06 of Standard Edition.
I was able to compile and run my  java programs until yesterday
But today all of sudden when after compiling

I'm writing a program which involves financial accounting.  Is it possible
to format a float or a double so that it always returns .xx rounded to 2
decimal places or do I have to do my own formatting by putting the float or
double into a String object and then using a substring ...

I'm just learning swing with awt for making a ui, and i can't seem to
get it to look how I want.
layout:
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I got this code and it is returning just 1 cpu from the fuction and the
system as 2 cpu, the system is a P2B-ds and 2 intel pii 350/512 CPU.
running linux Fedora core 4.0 and java SE SDK 1.5 is installed.
any reason it is giving me this problem??