Downloading and running

Currently, you can download and run 42 as a Java program.

The tutorial!

You are now ready to follow the tutorial. You can look at it in text form on the links below, or in video form at Video tutorial .

Index of Content
  1. Basic concepts
  2. Introduction to modifiers
  3. Basic Classes
  4. Errors and Exceptions
  5. Caching
  6. Caching on Mutable objects
  7. Interfaces and Matching
  8. Collections and Sequences
  9. Input Output
  10. Exercises
  11. Metaprogramming Introduction
  12. Programmatic Refactoring
  13. More Decorators
  14. Example of a 42 Program
  15. Deploy code