By Joshua Kerievsky, Mike Hill, Gil Broza

Our best-selling box set is used around the globe by leading companies to help their developers become skilled at test-driven development. You'll thoroughly improve your design skills by learning code smells, refactoring, microtesting, the art of test-driven development, faking & mocking and how to work effectively with legacy code.

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Rock Your Code: Take your development performances to a whole new level. Learn more...
Instant Critiques: Take an exercise and get instant feedback from our experts. Learn more...

Expert Videos: Learn tools & techniques by watching short videos from industry experts. Learn more...
Integrated Forums: Ask questions, get expert replies and read fascinating discussions. Learn more...


  • 4-5 days of content
  • 600+ pages
  • 60+ Interactive quizzes
  • 60+ Videos
  • 15 Exercises
  • Solution code & videos
  • Support for Eclipse
  • Support for IntelliJ


Supported Browsers

  • Latest Firefox
  • Latest Edge
  • Latest Chrome
  • Latest Safari

Operating Systems

  • Windows
  • Linux
  • Mac OS

Development Tools

All of our programming exercises come with projects pre-configured for IntelliJ, Eclipse and Visual Studio.

Speakers or headphones are required for our videos.