Factory Pattern Software Official

: The core application just calls planDelivery() . If you add AirLogistics later, the main code doesn't change. When to Avoid

: The client code relies on an interface rather than specific classes, making the system easier to modify. Factory Pattern Software

The is a creational design pattern that provides an interface for creating objects in a superclass but allows subclasses to alter the type of objects that will be created . Essentially, it encapsulates the logic of object creation, so the client code doesn't need to know the exact class it's instantiating. Core Concepts : The core application just calls planDelivery()

: An interface or abstract class that declares the factory method , which returns a product. which returns a product.