Understand difference between ABSTRACT CLASS and INTERFACE in C# in detail with live examples
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Understand difference between ABSTRACT CLASS and INTERFACE in C# in detail with live examples
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Summary of video (Difference between abstract class and interface in C#)
1) Interface put compulsion to override whereas abstract class may or may not put compulsion.
2) We can inherit multiple interfaces at the same time but not abstract class.
3) In case of inheritance of interface, we must implement it bcs its compulsion where in case of abstract class, there is compulsion of only abstract methods not for others. But if still we want to override non abstract, we should make them virtual by using virtual keyword.
4) we can only declare variables in abstract class but not in interface.
5) Abstract classes can have constructors where interface cannot have.
6) In abstract class methods can have all access modifier but with some conditions
where as in case of interfaces they are public by default.
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