Introduction

Design Pattern

A design pattern is a reusable solution to a recurring problem. The term is really broad in its definition and can span multiple domains of an application. However, the term is often associated with a well-known set of object-oriented patterns that were popularized in the 90s by the book, Design Patterns: Elements of Reusable Object-Oriented Software, Pearson Education, by the almost legendary Gang of Four (GoF): Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides. We will often refer to these specific sets of patterns as traditional design patterns or GoF design patterns.

Applying this set of ...