7 Design Patterns EVERY Developer Should Know

In this video, the presenter explains seven essential software design patterns, covering creational, structural, and behavioral categories, with examples such as the Factory, Builder, Singleton, Facade, Adapter, Strategy, and Observer patterns. He discusses how these patterns solve common programming problems, provides analogies like pizza shops and LEGO sets to illustrate their use, and emphasizes the importance of understanding and applying them to simplify code and improve collaboration. The video also briefly mentions Twingate security and encourages viewers to read the Gang of Four book and sign up for newsletters. 0:00 3 Types of Patterns 1:34 Singleton Pattern 3:35 Builder Pattern 5:21 Factory Pattern 7:47 Twingate Security 8:58 Facade Pattern 12:56 Adapter Pattern 16:18 Strategy Pattern 20:03 Observer Pattern 22:49 Know When to Use Each One