BUILD / FREE COURSE
Testing & Debugging.
Write tests and debug applications like a professional developer.
8 lessons110 minutes
ONE BUILDING BLOCK AT A TIME
Inside this course.
KEEP THE MOMENTUM
Another direction to explore.
Start here5 lessons45 min
6 practice activities
Foundations
Learn the basics of how applications work before you start using the tools.
Explore course
Start here16 lessons201 min
24 practice activities
AI Coding Tools
Claude Code and Codex, your AI coding assistants, from first steps to advanced patterns.
Explore course
Start here9 lessons100 min
9 practice activities
GitHub
Learn version control and collaboration with the world's largest code hosting platform.
Explore course