Chapter 10: Behavioral Patterns

In this chapter, we explore two new design patterns from the well-known Gang of Four (GoF). Those are behavioral patterns, which means that they help simplify the management of system behavior.

The following topics will be covered in this chapter:

  • Implementing the Template Method pattern
  • Implementing the Chain of Responsibility pattern
  • How to mix both

Implementing the Template Method pattern

The Template Method is a GoF behavioral pattern using inheritance to share code between the base class and its subclasses. It is a very powerful, yet simple, design pattern.

Goal

The goal of the Template Method pattern is to encapsulate the outline of an algorithm in a base class while leaving some parts of that algorithm ...

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