Learn Programming Fundamentals

Structured lessons from the basics up — follow the path below in order, at your own pace.

21 lessons ~1h 23m total 4 modules

Start here

1
Getting Started Beginner 3 lessons
The very first questions to answer before writing any code at all.

Lessons in this module

What Is Programming? What Is Source Code? What Is an Algorithm?
2
Core Building Blocks Beginner 9 lessons
The small set of ideas that every programming language is built from, whatever its syntax looks like.

Lessons in this module

Variables Data Types Operators Conditions Loops Functions Arrays Objects Classes
3
Algorithms & Data Structures Intermediate 2 lessons
How to think about organizing data and solving problems efficiently, once the basics feel comfortable.

Lessons in this module

Algorithms in Practice Data Structures
4
Working Like a Developer Intermediate 7 lessons
The habits and tools that turn "code that works once" into software other people can rely on.

Lessons in this module

Debugging Error Handling Testing APIs Databases Git & Version Control Software Architecture

You're ready to build