Dart enum

Since a factory constructor does not directly create a new instance, it cannot use a constructor initializer list . A normal constructor always returns a new instance of the class. A factory constructor is permitted to return an existing instance, an instance of a derived class, or null .

There are three types of constructors in Dart: Thus, if a constructor which don’t have any parameter then it will be a type of default constructor.20 Tem 2020

There are three types of constructors in Dart: Thus, if a constructor which don’t have any parameter then it will be a type of default constructor.20 Tem 2020

Dart Constructors A constructor is a special function of the class that is responsible for initializing the variables of the class . Dart defines a constructor with the same name as that of the class.

Dart Constructors A constructor is a special function of the class that is responsible for initializing the variables of the class . Dart defines a constructor with the same name as that of the class.