This course is focused on integrating the design patterns we've studied into a practical project: building a smart home system. Throughout this course, you'll learn how to create and adapt various smart home devices using the Factory Method and Adapter patterns. By the end, you will have a solid understanding of how these design patterns can make your smart home system more efficient, modular, and easier to maintain.

In this unit, we explore two essential design patterns: Factory Method and Adapter. These patterns help us create and adapt devices within a smart home system. To effectively implement these patterns, we will build the devices using the Factory Method and then adapt these devices to interact with other parts of the system using the Adapter pattern.

1. Factory Method Pattern:

   • Purpose: Encapsulates the creation of objects, making it easier to introduce new object types without altering existing code.
   • Steps:
     • Define a base class (Device).
     • Create specific device classes (Light, Fan) inheriting from the base class.
     • Implement a factory class (DeviceFactory) to generate instances of these devices.

2. Adapter Pattern:

   • Purpose: Makes incompatible interfaces compatible. Allows objects from different classes to work together.