Java Factory Pattern Use Cases

There are several scenarios in which the Java Factory Pattern can be applied:

1. When creating objects, it is necessary to return different instances based on different conditions: the factory pattern can create different instances based on conditions, making it easy to create and manage objects.
2. It is necessary to hide the implementation details: the Factory Pattern encapsulates the object creation logic within a factory class, allowing the implementation details to be hidden, so that clients only need to interact with the factory class, rather than directly with the specific instance class.
3. The process of creating objects is rather complex: the factory pattern can encapsulate the complex object creation logic in a factory class, simplifying client operations.
4. Unified management of object creation is needed: the factory pattern can centralize the creation logic of objects in a factory class, making it convenient for unified management and maintenance.
5. High scalability requirements: the factory pattern can be extended by adding specific factory classes to the system without the need to modify client code.

In conclusion, the factory pattern is suitable for scenarios where the implementation details need to be hidden, object creation needs to be centrally managed, object creation logic needs to be centralized in one place, and the system needs to be easily extended.