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Base class of different class or views

Ans :

Base class of

UITableView : UIScrollView : UIView : UIResponder : NSObject
UIButton : UIControl : UIView : UIResponder : NSObject
NSObject : It is top most super class in swift. NSObject class confirm NSObject protocol.

Q : Is it compulsory to mention NSObject in swift inheritance?
A : No. Any class which is not inheriting any other class have NSObject as super class by default.

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