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 moreWhat is the abstract class in Dart?
An Abstract class in Dart is defined for those classes which contain one or more than one abstract method (methods without implementation) in them . Whereas, to declare abstract class we make use of the abstract keyword.2 Eyl 2020
Read moreWhat is the abstract class in Dart?
An Abstract class in Dart is defined for those classes which contain one or more than one abstract method (methods without implementation) in them . Whereas, to declare abstract class we make use of the abstract keyword.2 Eyl 2020
Read moreWhy abstract class is used in Dart?
Usage of Abstract class Because every subclass must override the parent class method by provides its own implementation . Thus, we can force the subclass to provide implementation to that method, so that is the benefit to make method abstract. We don’t require the give implementation in the parent class.
Read moreWhy abstract class is used in Dart?
Usage of Abstract class Because every subclass must override the parent class method by provides its own implementation . Thus, we can force the subclass to provide implementation to that method, so that is the benefit to make method abstract. We don’t require the give implementation in the parent class.
Read moreCan an object have multiple interfaces?
An object can have multiple types: the type of its own class and the types of all the interfaces that the class implements . This means that if a variable is declared to be the type of an interface, then its value can reference any object that is instantiated from any class that implements the interface.
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