You can extend an abstract class with the keyword extends , and the concrete class will inherit all possible behavior of the abstract class.
Read moreWhat is the use of abstract class in Dart?
Though, on the contrary, a normal class (non-abstract class) cannot have abstract methods. An abstract class is mainly used to provide a base for subclasses to extend and implement the abstract methods that are present in the abstract class .
Read moreWhat is the use of abstract class in Dart?
Though, on the contrary, a normal class (non-abstract class) cannot have abstract methods. An abstract class is mainly used to provide a base for subclasses to extend and implement the abstract methods that are present in the abstract class .
Read moreCan abstract class have property?
An abstract class not only contains abstract methods and assessors but also contains non-abstract methods, properties, and indexers .
Read moreCan abstract class have property?
An abstract class not only contains abstract methods and assessors but also contains non-abstract methods, properties, and indexers .
Read moreWhat is abstract class property?
An abstract property declaration does not provide an implementation of the property accessors — it declares that the class supports properties, but leaves the accessor implementation to derived classes . The following example demonstrates how to implement the abstract properties inherited from a base class.
Read moreWhy do we use abstract class 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.
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