Factory Constructor in Dart/Flutter We can use the factory keyword for a constructor that return an object instead of creating a new instance. class Customer { String name; int age; String location; static final Customer origin = Customer(“”, 0, “”); // factory constructor factory Customer.16 Mar 2022
Read moreHow do I call a super constructor in darts?
When calling explicitly we make use of super constructor as: Child_class_constructor() :super() { … } Implicit super: In this case, the parent class is called implicitly, when there is object creation of child class.
Read moreShould a factory method be static?
No, factory class by default shouldn’t be static . Actually, static classes are not welcomed in OOP world since they can also convey some state and therefore introduce global application state. If you need only one factory object to be present, you can control it’s creation through singleton pattern.
Read moreWhat is the advantage of factory constructor Dart?
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 .
Read more