Abstract Class

What is the meaning of

Abstract Class

A class that cannot be instantiated and may contain abstract methods.

An abstract class in Dart is like a template with placeholders. It cannot create objects itself, but it defines a structure for other classes to follow. Abstract classes often include abstract methods that subclasses must implement. It's like creating a blueprint with some instructions missing.

OTHER HELPFUL TERMS

Assertion

A statement that checks whether a condition is true and raises an error if false.