Thanks for your information. Now i have clear idea about Abstract Class and Interface.

Thanks again

Can any one tell about the difference between the Abstract Class and Interface? Can abstract class replaces Interface? If all things can be done in Abstract class Why we need Interface?

Hi,
Your coding runs fine in Netbean 5.5, I Check it. but i dont know to configure servlet. I searched the Google i found a website that descripe the Servlet Configuration ...

Hi,
You given

in Servlet Class
and in Html u given


Is it your typing mistake or Coding mistake?