Abstract Factory

The Abstract Factory design pattern is often misunderstood and considered complex, but it is actually quite simple. If you already understand the Factory Method pattern, grasping the Abstract Factory pattern will be easy because it builds upon the concepts of factory methods.

In essence, the Abstract Factory pattern is a factory of factories. It involves a factory that can create multiple related classes, making it a class that encapsulates several factory methods.

Now, you might be wondering about the practical use of this design pattern. In real-world scenarios, the Abstract Factory pattern is commonly employed in frameworks and libraries that rely on configuration files for their setup. One such example is the Spring Framework.

To better comprehend how the design pattern works, let’s consider a scenario where we have a server configuration specified in a YAML file:

server:
    port: 8080
    environment: production

Our objective is to...