3- Factory Method Design Pattern | Use-cases | Pros & Cons | Implement DB Drivers connector | Java

The Factory Method design pattern is a creational pattern that provides an interface for creating objects, but allows subclasses to decide which class to instantiate. It separates object creation from the rest of the code, making it easier to maintain and extend.

In the Factory Method pattern, a factory class provides an interface for creating objects. Subclasses of the factory class implement the interface to create specific types of objects. The factory class does not know which type of object it is creating, and it does not depend on any concrete class implementation. This makes it easy to add new types of objects without modifying the existing code.

The Factory Method pattern is useful when you need to create multiple objects that share a common interface, but you do not know which concrete implementation of the interface to use until runtime. For example, in a game, a factory method could be used to create different types of enemies that all implement the same interface.

The Factory Method pattern has several advantages, such as providing a clear separation of responsibilities, making the code more extensible, and improving maintainability. However, it can also introduce additional complexity and overhead in the codebase, especially if there are many different types of objects to be created.

Overall, the Factory Method pattern is a powerful tool for managing object creation in a flexible and modular way, and is a common pattern used in many software systems.