Full-Stack Internet Architecture

Jun 6, 2021 · Fundamentals

Understanding the Chain of Responsibility Design Pattern with Real‑World Stories and Java Implementations

This article explains the Chain of Responsibility design pattern by linking a historical story of Guan Yu’s five passes with an OA leave‑approval workflow, provides a clear definition, discusses its pros and cons, and presents comprehensive Java code examples illustrating abstract handlers, concrete handlers, and client usage.