Interface Segregation Principal (ISP) is the part of SOLID so far we have covered Single Responsibility Principal, Open-Close Principal, Liskov-Substitution Principal and all of these were very easy to implement, Same in case of this ISP. I teach the whole method with the complete C#.NET based practical example, Follow the video to understand the full concept of the Interface Segregation Principal. For more C#.NET videos here is the playlist link:    • Learn C# important concepts   For instant response from me: https://www.threads.net/@imrhammad Like the Facebook Page: https://www.facebook.com/SoftwareEngineeringYT For Details articles and notes: https://thesestudies.blogspot.com/