Compendium Centrum Edukacyjne

Day 1

1. Introduction
   • Course schedule
2. A gentle introduction to the Scala language
   • What is Scala?
   • What are it's sources of inspiration?
   • Why is Scala worth learning?
3. "Hello World"
   • "Java in Scala"
   • The Scala way to "Hello World"
4. Types
   • Basic types
   • Primitives?
5. Classes
   • Primary constructor
   • Secondary constructors
   • Inheritance
   • Type Linearization
6. Methods
   • How to think of Method and Functions in Scala?
   • Why mostly everything is a method
   • Definitions, Values, Lazy Values and Variables...
   • How to act like a field?
   • Variables
   • @tailrec and why it matters
   • Using Java annotations
   • Scala's override strictness
7. Objects
   • When to use object instead of class?
   • How to use objects and still be able to have testable code?
   • The apply() method
   • The unapply() method
8. Case Classes
   • What is a case class?
   • Pattern matching with "match"
   • The @switch annotation
   • Limits of case classes, and how to fallback to normal classes
9. Traits
   • What is a Trait?
   • When to use Traits?
   • When NOT to use Traits?
   • Self-Type annotations - a way for Dependency Injection?
   • Traits calling other Traits in the same object instance
   • Interoperating with Java interfaces
10. Type Parameters
    • What are they?
    • Type Parameters vs. the "type" keyword
11. Implicits
    • What does "implicit" mean?
    • How to define implicit values?
    • How are implicits scoped?
    • Implicit conversions
12. Parameter lists
    • Why can Scala have more than one parameter list?
    • Implicit parameters
    • Practical use case

Day 2

1. Collections
   • Types of collections
   • How to stick to the immutable nature of Scala with collections?
   • Use parallel collections for quick wins
   • What is CanBuildFrom[_,_,_]?
2. Functional programming in Scala
   • "The M word" - Monads
   • Monad examples - ()you've seen them already!)
   • Avoiding nulls with Option[_]
3. "The Frameworks"
   • Best known and recommended libraries
   • What kinds of libraries to avoid?
   • ScalaTest and Specs2
4. Akka 2.0
   • What inspired Akka?
   • Why and when to use Akka? What other options are there?
   • Example of an Actor driven application
5. SBT - Simple Build Tool
   • What is SBT?
   • Tips on sbt versioning and maven inter-op
   • Example of a multi-module project
6. Tips for your day-to-day Scala programming
   • When should you just "let it go" and use a hack?
   • Tips for Java inter-op, when Traits don't cut it
   • How not get "too smart code"
   • When to avoid implicits and other "magic"?
7. Scala 2.10 - a brief overview
   • What is a "SIP"?
   • Overview of key features and SIPs with examples for each feature given
   • Tips for handling multiple scala versions with sbt
8. Wrap up and QA session