Learning Dart (Video 9)

This video tutorial covers the creation of classes in Dart, focusing on abstract classes and inheritance. It explains the concept of inheritance in object-oriented programming, highlighting single inheritance in Dart. The tutorial demonstrates creating a base abstract class and extending it with subclasses like 'bear' and 'ghost'. It also discusses the use of the 'extends' statement and the limitations of single inheritance in Dart. The video concludes with a summary of the learned concepts and a preview of the next topic, which is implementing a library for better code organization.

Describe how to implement an abstract method in a subclass.

How do you create a subclass in Dart, and what does it inherit from its superclass?