Real time example of interface and Abstract class in Project.

Jul 9 2012 2:10 PM

I hve knowledge about interface and abstract class. but What is purpose of use in interface and abstract in Real Time Project.Please Give me Simple and Best Example. And What is meaning of Contract..As for Example Interface work as like contract.

Regards
Bvenkat Jeewesh

Answers (4)

subracting sundays and get the remaining days of the particular month

I'm writing comma delimited strings to .csv files in Excel via streamwriter. I'd like to split up the output on to multiple worksheets within the same workbook? Any thoughts?