I'm writing a program that converts back and forth between different
representations of bits (e.g. One's Complement, Two's Complement, Signed
Magnitude, etc.).  The command for executing the program is "java conv1s
-d 000000" where 000000 indicates the bit pattern to be converted ...

Hello to all -
This isn't homework, although it might sound like it is.  It's just
personal study.
If I were to author a class to handle socket communication for a

pls compare in IE and netscape (N 7.x)
http://www.francesdelrio.com/movies/dburl
why does Netscape print actual HTML code instead of printing what HTML
says it should print?  I have generated HTML code the same way w/all my

I havn't been using java for long, but I don't remember having a problem
with this before. I'm trying to do a simple read from the System.in, and for
some reason my BufferedReader.readLine() method returns instantly with a
null... it never actually prompts me for input. Why is ...

How to meet limited length of CLASSPATH variable.?
How to set auto. the CLASSPATH variable as needed?

Hi everyone, this is my first program in Java, it prints out "Enter any
positive integer: "null" is not numeric
Then it gives me the code of nine, which I realize comes from the
Systme.exit(9) that I used, I don't know how to make it wait for the

Yay, I got my first java.lang.NullPointerException(NPE) =) Here's my
complete code:
http://demos.home.mchsi.com/payroll.java
It's an employee gross program that computes reg and overtime pay/hours

Hi, I am a newbie
I make a JFrame application Lframe in the IDE of NetBeans 4.0. I will call
this frame with a name. How do I get a variable in constructor of the
LFrame? Working with the IDE I do not see a possibility and also when the

I have a UTF8 formatted text file which has two columns, the first
column has words written in Hindi language and the second column has
words written in English language. In my java application, a user
enters a word in Hindi, I need to return the corrosponding English

If I want to read and replace text in a file called file.txt, I
should need to write it to a temporary file first, and then
delete file.txt, and then rename the temporary file to file.txt??
Here's the code fragment:

I have e.g. a declaration like:
Object myobj = ...<unknown>...
Now I want to assign it to a String. For most possible Objects it works
but sometimes a Object could occur for which a conversion is not possible.

I have a legacy server application that opens a port (41991) and waits
for requests.  I'm moving this to a servlet that will run under Tomcat
(hopefully)
Is it possible to ask Tomcat to watch port 41991 for requests as well

I am new to java, and I really havent had time to do much work in it.
However, I have a small project that is due next week for my class. Can
anyone help me by providing some code? It should do the following;
The program is simple. It should allow a user to input a string of digits,

I'm very new to java and am trying to make a simple noughts n crosses game.
I want to track where the user clicks within the window. To this end I
included this function in my main class (the class correctly implements
MouseListener). I declare x and y in the class (outside the ...

I'm investigating the feasibility of using Java Swing for our networked
application instead of a web application. I understand WebStart helps
alot in this area for ease of deployment, but that requres the user to
already have the JRE installed. Do most users already have a JRE