Hands-On Introduction: Scala

Learn all the basics of the latest version of Scala by building a minimal app that extracts and transforms files.

Introduction

• Build your first Scala app
• What you should know
• Using GitHub Codespaces
• Scala introduction
• What we are going to build

1. Our First Methods and Testing

• Scala project structure
• Our first method
• Our first test
• Implement our test
• Challenge: Testing and higher order functions
• Solution: Testing and higher order functions

2. Implementing Our ETL

• Traits, generics, givens, and using
• Eithers, enums, for comps, and pattern matching
• Challenge: Traits, generics, eithers, enums, and pattern matching
• Solution: Traits, generics, eithers, enums, and pattern matching

3. Refactoring with Config and JSON

• Adding configuration
• Refactoring the tests
• JSON implementation

Conclusion

• Next steps