SOLID principles

Single Responsibility (S)

A class should have ONE reason to change. Bundle one responsibility per class; split it the moment a class starts juggling many. An animated lesson where the diagram draws itself as the design grows.

  • Lesson 1 of 5
  • Animated diagrams

Sign in with Google or GitHub and you land straight on this page. DSA comes with the all labs plan and every ChaiCode batch.

5 lessons, each with diagrams that draw themselves.

What you will learn

  • One reason to change
  • The god-class smell
  • The refactor: extract each concern

More low-level design

Watch Single Responsibility (S) take shape

Sign in and the lesson opens with its diagram ready to play, and the rest of SOLID principles beside it.

DSA comes with the all labs plan and every ChaiCode batch.