I am a very beganner in Java and I am looking for some Java Help Website
(other then Java Sun Website), I hope someone can help.. Thank you very
much!!

I am trying to make a program that returns true or false if a number less
than 10 is a prime number.
But how do I set my boolean value z to "nothing"?
If it was a string i could just have written String z = ""; but how do I

Could someone please show me this:
a prog that:
Ask the user for two numbers. Display them back to the user. Then
permanently swap the numbers and again display them back.

I'm able now to execute a shell script from my java application. But how
can I get the results from the shell and safe them in variables? Lets
say my shell scripts executes 'arch'. The return value would be 'i686'.
How can I get this value in a String variable?

Iam making a manager class for a game applet that i want to be able too add
stuff to with a method , but i dont know how many items iam going to put in
the array so i cant get round this by typing
Manager[] bm = new Manager[4];

I am trying to make the rather simple program. 100..90 = "A"; 89..80 = "B";
79..70 = "C"; 69..60 = "D"; 59..0 = "F"
 class Grade{
 public static void main(String[] y){

I've not yet ventured into the world of Java 1.5.0 ... or 5.0 ... or is it
Java 2 5.0 ... or ... ? I was reading the generics tutorial, and I grasped
everything fairly well except this:
   Collection cs = new ArrayList<String>();

okay, i won't bore you with all the details.  basically, the user orders a
sandwich, drink...etc,etc.  on the sandwich the user can select from
different meat options, chesse options, bread options, condiments.  right
now i've got it set up with a combobox for ea. options, with a ...

I have 2 buttons.  One that sets the current time and the second sets the
current time when you press it.
I want the result of the 2 dates in string not long.
any help would be greatly appreciated...

To make the clear understanding of the subject, one should take the
examples from the real life, the same i got from my friend: he
explained me this fundaa.
Why Java does not have pointers???....

Just for fun I was trying to write a program that would display the
minimum and maximum value that each data type could hold.
All was going well as I tested the program on bytes and shorts.  THen
I added ints and longs and I am now confused.

Why doesn't my add method do this?
public class Money
{
private String x;

Can I use java on windows 98?
Can I save a file in java?
I tried to save a test file in Java using Windows 98 and I only got a text
file.

Why is it so hard to convert backslashes to forward slashes in java?
My input form gets the file as C:\temp\file.pdf and we all know \ is
the escape character.
I tried  

I'm trying to build HTML table parser (available not satisfying my needs), I
need to know what is in every cell, along with its cell, row and table
number plus the attributes that go with those tags.
I create Table, TableRow and TableCell objects each containing an array list