Flutter constructor optional parameters

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. A constructor is a function and hence can be parameterized.

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. A constructor is a function and hence can be parameterized.

It is option to declare within the class. All class have own constructor but if we don’t declare or forget then Dart compiler will create default constructor automatically by passing the default value to the member variable . If we declare own constructor, then default constructor will be ignored.

It is option to declare within the class. All class have own constructor but if we don’t declare or forget then Dart compiler will create default constructor automatically by passing the default value to the member variable . If we declare own constructor, then default constructor will be ignored.