Short and Fast introduction to Scala

1. A short and really fast
Scala Introduction
Sergi González

2. http://www.slideshare.net/sergigp/short-and-fast-introduction-to-scala

3. Why Scala?
• Java Virtual Machine
• Concurrency
• Functional and Object Oriented

4. Why Scala?
• Immutable
• First Class Functions
• Type Interface
• Traits (oh yes!)
• Pattern Matching
• Actors (SPOILER ALERT)
• The IDE ❤
• ScalaTest
• Case classes, lazy, monads, implicits, Akka, Play, Spark…

5. Why Scala
In order to code less and save money in keyboards
As a catalan lazy developer
I want a programming language that makes for me the boilerplate
Feature:

6. Why Scala

7. Variables and Values

8. If, while, functions …

9. Pattern Matching

10. Pattern Matching

11. Pattern Matching

12. Pattern Matching

13. Pattern Matching
Recursive functions + Pattern Matching = WIN

14. Lists and more…
https://github.com/sergigp/scala-notes/blob/master/akamon/2_lists.sc

15. OOP

16. OOP
Traits, Objects,
Generics,
Multiple Inheritance…

17. FizzBuzz
• Given a number:
• If it’s multiple of 3 return “fizz”
• If it’s multiple of 5 return “buzz”
• If it’s multiple of 3 and 5 return “fizzbuzz”
• If it’s not multiple of 3 or 5 return the number