Applying Singleton & Factory Patterns

Master object creation lifecycle by separating 'What' is created from 'How' it is created.

Pyfessor

Lesson Briefing

"Control your constructors. The 'Factory' pattern hides the complexity of creating objects. Instead of the user knowing which of 10 subclasses to instantiate, they just ask the Factory: 'Give me a Database connection'. The Singleton pattern ensures that resources like Database pools or Loggers are not duplicated across your app."