Simple one I hope:
How can I intercept keystrokes to a JTextField so I could, for
example, implement a digit-only text field.

Hello!! once again i'm updating my e-books!!
Check this out!!
http://freebooks2007.blogspot.com
thank youu!! have a nice day! ^^

I learn NetBeans with Glassfish and Tomcat installed. Which will work
faster with only 512 MB RAM ?
I know that is to little but I will buy more
after I make a few steps.

this first part is the driver.  need help with getting them both to work
with each other.
import java.util.Scanner;
public class AbbreviationsandStates