Check out this wonderful post on understanding HashSet
http://dotnetcodr.com/2014/01/08/using-hashset-in-net-to-allow-unique-values-only/
http://alicebobandmallory.com/articles/2012/10/18/merge-collections-without-duplicates-in-c
The Message box will show the count as 2.
HashSet will remove the duplicate entry.

Bye
Discover more from Nishant Rana's Weblog
Subscribe to get the latest posts sent to your email.
