This chapter covers the Strategy pattern. It is also known as the Policy pattern.
GoF Definition
It defines a family of algorithms, encapsulates each one, and makes them interchangeable. The Strategy pattern lets the algorithm vary independently from the clients that use it.
Concept
A client can select an algorithm from a set of algorithms dynamically at runtime. This pattern also provides a simple way to use the selected algorithm.
You know that an object can have states and behaviors. And some of these behaviors may vary among ...
