Dart does not have a syntax for declaring interfaces . Class declarations are themselves interfaces in Dart. Classes should use the implements keyword to be able to use an interface. It is mandatory for the implementing class to provide a concrete implementation of all the functions of the implemented interface.
Read moreCan we create class of interface?
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.
Read moreDoes flutter support multiple inheritance?
For example, Flutter supports mixins calling super() and extending from a class other than Object , but the syntax is expected to change before appearing in all Dart SDKs. For details, see the mixin specification.
Read moreCan I extend multiple classes in Dart?
Unlike implementing multiple interfaces, Dart only supports single inheritance. So, you can not extend from multiple classes .
Read moreCan I extend multiple classes in Dart?
Unlike implementing multiple interfaces, Dart only supports single inheritance. So, you can not extend from multiple classes .
Read moreIs Dart support multiple inheritance?
Dart doesn’t support multiple inheritance . Multi-level − A class can inherit from another child class.
Read moreDoes flutter support multiple inheritance?
For example, Flutter supports mixins calling super() and extending from a class other than Object , but the syntax is expected to change before appearing in all Dart SDKs. For details, see the mixin specification.
Read more