OOP foundations

Objects & Classes

A class is a blueprint; an object is a concrete instance created from it, with its own state. An animated lesson where the diagram draws itself as the design grows.

  • Lesson 1 of 8
  • 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.

8 lessons, each with diagrams that draw themselves.

What you will learn

  • Class, the blueprint
  • Object, a runtime instance
  • One class, many objects
  • Identity vs. state
  • Compile-time vs. runtime

More low-level design

Watch Objects & Classes take shape

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

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