Can abstract class pass parameters?

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

Is it possible? Even though A is abstract, you can receive parameters of type A (which, in this case, would be objects of type B ). You cannot really pass an object of class A , though, since A is abstract and cannot be instantiated.

An abstract class may contain non-final variables . Type of variables: Abstract class can have final, non-final, static and non-static variables.