How do you create an interface in Dart?

Yes, you can define a class inside an interface . In general, if the methods of the interface use this class and if we are not using it anywhere else we will declare a class within an interface.

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An interface is declared by using the interface keyword . It provides total abstraction; means all the methods in an interface are declared with the empty body, and all the fields are public, static and final by default. A class that implements an interface must implement all the methods declared in the interface.

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