What are the applicable scenarios for the abstract factory pattern?

Applicable scenarios for the abstract factory pattern include: 1. When a system is to be created, assembled and represented independently of its products; 2. When a system is to be configured by one of multiple product series; 3. , when it is necessary to emphasize the design of a series of related product objects for joint use; 4. When a product class library is provided, but only want to display their interfaces rather than their implementation.

Abstract Factory Pattern

Provides an interface for creating a series of related or interdependent objects, and There is no need to specify their specific classes

The "factory" is where products (objects) are created, and its purpose is to separate the creation of products from their use. The purpose of the abstract factory pattern is to separate the interfaces of several abstract products from the specific implementation of different themed products. In this way, when adding a new concrete factory, there is no need to modify the client code that references the abstract factory.

Applicability

• A system requirement When a system is to be configured by one of multiple product families

• It is necessary to emphasize the design of a series of related product objects for joint use

• When providing a product class library, but only want to display their interfaces rather than their implementation

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