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A Glimpse of a Scala - Java Meetup Novi Sad May...

A Glimpse of a Scala - Java Meetup Novi Sad May 2014

I gave an introduction to Scala at Novi Sad on 29.05.2014. The corresponding code examples can be found here: https://github.com/lukaspustina/A-Glimpse-Of-Scala-Java-Meet-Up-in-Novi-Sad

Lukas Pustina

May 30, 2014
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Transcript

  1. Which Programming Language would you use now on top of

    JVM? Scala! James Gosling, Father of Java
  2. Can Programming Be Liberated from the von Neumann Style A

    Functional Style and Its Algebra of Programs — John Backus, 1977
  3. OO and func • State Mutation vs. Immutability • Object

    Composition vs. Functional Composition • Class Hierarchies vs. Pattern Matching
  4. Functions as 1st class citizens Pass a function as you

    would pass an Int, a String, or an arbitrary object.
  5. [lukas@muffin] ~ ➜ scala! Welcome to Scala version 2.11.1 (Java

    HotSpot(TM) 64-Bit Server VM, Java 1.7.0_51).! Type in expressions to have them evaluated.! Type :help for more information.! ! scala> print("Hello World")! Hello World