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Factory Method is referred as a creational design pattern which provides an interface for creating objects in a superclass, but allows subclasses to alter the type of objects that will be created.
Also known as virtual constructors.
Lets clear it with a small code.
In this way, new object will not be initialized for the student with this name. This is according to this example. You can use it according to your use case.
Dart also supports factory constructors, which can return subtypes.
Let see this use case of factory with an example.
So as demonstrated in the above example we make of use of factory to return the Subtype class objects.
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