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Scala frukostseminarium


Swedish slides from the breakfast seminar about Scala held at the Mejsla office 2013-11-22

Swedish slides from the breakfast seminar about Scala held at the Mejsla office 2013-11-22

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  • 1. Scala Johan Andrén
  • 2. Agenda Språk Miljö Komma igång
  • 3. Bakgrund Lausanne
  • 4. Språket Det bästa av flera världar (precis som kebabpizza)
  • 5. Objektorientering + Funktionell Programmering
  • 6. Funktionell Programmering max(a, b) = if (a > b) a else b
  • 7. Objektorientering Stora abstraktioner Funktionell Programmering Små abstraktioner
  • 8. Typsystem Låter oss beskriva begränsningar
  • 9. Typinferens Låter oss slippa beskriva begränsningar
  • 10. Scala Java 15 000 Scala 30 000 10 000 3000
  • 11. Miljö Hur och var Scala passar in
  • 12. Java javac Klass1.class Scala Klass2.scala Bytekod scalac Bytekod Klass2.class
  • 13. Bytekod Arkiv Arkiv Arkiv Klass1.class Arkiv Bytekod Klass2.class app.jar app.jar JVM
  • 14. Arkiv app.jar Arkiv Arkiv Arkiv Arkiv app.jar javalib-x.jar JVM Arkiv scala-library.jar
  • 15. Scala Java Scala Java
  • 16. Scala Java Java Java Java Java
  • 17. Komma igång Hur kommer man igång med Scala? (och lite annat)
  • 18. Resurser för att lära sig Kurser Nätet Böcker Mentor
  • 19. Macros Avancerad FP Avancerad Scala-OO Scala-OO Grundläggande FP Java i Scala
  • 20. Scala Java Tester Produktionskod
  • 21. Java Java Java Scala Java Java
  • 22. Scala Paradox
  • 23. ”If I were to pick a language to use today other than Java it would be Scala” James Gosling
  • 24. ”If I someone had shown me the ’Programming in Scala’ book back in 2003, I´d probably have never created Groovy” James Strachan ”No other language on the JVM seems as capable of being a ’replacement for Java’ as Scala, and the momentum behind Scala is now unquestionable” Charles Nutter
  • 25. Summering Språk Miljö Komma igång