Free Design Pattern Course with Certificate

Three patterns to start with

The course introduces core object-oriented design patterns, using singleton, factory and observer as its starting examples. Those three cover creating objects and reacting to changes, which are common problems in most codebases.

What it aims for

The goal is software that stays maintainable and efficient as it grows, and the course promises real examples rather than abstract diagrams. It is a short introduction, so use it to build intuition before moving to a broader catalogue of patterns.

Who it suits

Developers who have written object-oriented code but never named the patterns they use will find it a quick way to connect the two. The description is brief, so the course outline is the best guide to how far it goes.