A factory constructor is a constructor that can be used when you don’t necessarily want a constructor to create a new instance of your class . This might be useful if you hold instances of your class in memory and don’t want to create a new one each time (or if the operation of creating an instance is costly).
Read moreHow do you use the factory method?
In Factory pattern, we create object without exposing the creation logic to the client and refer to newly created object using a common interface.
Read moreWhat is meant by factory method?
Factory method is a creational design pattern which solves the problem of creating product objects without specifying their concrete classes . Factory Method defines a method, which should be used for creating objects instead of direct constructor call ( new operator).
Read moreWhat is a factory constructor flutter?
A factory constructor invokes another constructor . 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.
Read moreWhat is a factory in flutter class?
Factory Method lets a class defer instantiation to subclasses . … When objects are created within the class, it is very inflexible since you cannot change the instantiation of the object independently from the class — the class is committed to a particular object.18 Ara 2019
Read moreWhat is factory method in Dart?
The Factory Method pattern, sometimes referred to as the Virtual Constructor pattern, provides a way to conceal an object’s creation logic from client code, but the object returned is guaranteed to adhere to a known interface .19 Nis 2021
Read moreWhat is factory constructor in Dart How will you create a factory?
A factory constructor is a constructor that can be used when you don’t necessarily want a constructor to create a new instance of your class . This might be useful if you hold instances of your class in memory and don’t want to create a new one each time (or if the operation of creating an instance is costly).
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