How to avoid Optional class antipatterns and design smells—all while streamlining application development
Packaging commands as objects and sending them to a receiver enables a clean, loosely coupled design that’s easy to maintain.
Add functionality to a class without modifying it.
Elegantly manage state transitions without large switches or numerous if statements.
Perform one or more operations on a collection of different
data types without disrupting existing code.
A good solution when you need to enable or mediate access to objects, either local or remote