what is the different between || and | operator or & and &&
all of the have the same value. see:
false || true = true
true || flase = true

The business scenaraio is i have table called rules in that rules
table i have a column (varchar()) which has the value
IP > 182.168.0.1 and IP < 182.168.0.10 .
i had witten a sql query for getting this value.so i have this value

could you help me with that?
thanks in advance!

I'm just starting with Java.  I have used NetBeans to write a GUI, which
  runs fine in NetBeans.  How do I run it in Vista (Home Premium) just
like any other program?  Stupid ? I know, but I have had a look through
tutes and docs and help files, and can't see how.  Gulp.

What does "String a : args" mean in the following code snippet:
public class FindDups {
   public static void main(String[] args) {
       Set<String> s = new HashSet<String>();

I have a newbie sort of question about Java byte code. Will the same
source code always produce the same byte code? How about code that
differs only in comments?

Sorry for so many questions, but I think I/O is one topic that will
give me troubles for quite some time
1)
What makes read and write operations time consuming ( or at least more

I want to switch from one server to another when user clicks on url
but i want that session should continue.suppose if he is logged in
earlier then after migation he must remain loged in.

Most of what I've done in Java is for a small business and any GUI had to be
able to be run in a 640x480 screen because some of the software goes on
servers that are hooked up to cheap monitors that aren't used often.
Now I'm writing some simple programs and utilities that I can use ...

The operation »close()« is mentioned in the class documentation
http://java.sun.com/javase/6/docs/api/java/io/BufferedInputStream.html
 But nowhere does it recommend to use »close()«.
 I had expected the constructor documentation to

How do I force a JLabel (with HTML content) wrapped in a JScrollPane to
automatically scroll to the last line added ?
I am developing an applet whose frame is divided in three panels:
  - the top one is a tabbed pane which normally contains an astronomical

Hello Gurus
I have a question. I have a class which holds an inner class declared
"private static". This inner class has a static field which is
immediately initilaized. When gets this static initilaziation of a

I have the following two interfaces.
//-----------------------
public class B extends A
//-----------------------

hai to all iam new to java iam core java trainee
how can we write a page setup program.
i created a menu in menu i inculde print button. print button is
working but iam working on page setup. please give guidance  or any

Is there a way to determine from within a java application running on
Windows Vista what type of account the user is logged on as. i.e. standard
or administrator?
TIA