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Interface in C#

For more such videos visit http://www.questpond.com For more such videos subscribe https://www.youtube.com/questpondvide... See our other Step by Step video series below :- Learn C# Step by Step https://goo.gl/FNlqn3 Learn Design Pattern Step by Step:- https://goo.gl/eJdn0m Learn Angular tutorial step by step https://tinyurl.com/ycd9j895 Learn MVC Core step by step :- http://tinyurl.com/y9jt3wkv Learn Azure Step by Step :- https://tinyurl.com/y6fmrech Learn SharePoint Step by Step in 8 hours:- https://goo.gl/XQKHeP Python Tutorial for Beginners:-    • Python Tutorial for Beginners | Learn...   Learn Data Science in 1 hour :- https://tinyurl.com/y5o7qbau Learn Power BI Step by Step:- https://tinyurl.com/y6thhkxw Learn MSBI Step by Step in 32 hours:- https://goo.gl/TTpFZN Learn SQL Server Step by Step http://tinyurl.com/ja4zmwu Learn Tableau step by step :- https://tinyurl.com/kh6ojyo In this video we will try to understand what is the real use of C# interfaces. Below is the agenda :- Why interfaces are so confusing ? Understanding Interfaces is a contract Implicit contract in programming Explicit contracts , interfaces and impact analysis Clarifying statement :- Interface should not be changed Abstraction is a byproduct Multiple inheritance is a byproduct