Scala Book

Language

Info: JavaScript is currently disabled, code tabs will still work, but preferences will not be remembered.

Scala has the basic control structures you’d expect to find in a programming language, including:

• if/then/else
• for loops
• try/catch/finally

It also has a few unique constructs, including:

• match expressions
• for expressions

We’ll demonstrate these in the following lessons.

← previous next →

Contributors to this page:

• Introduction
• Prelude꞉ A Taste of Scala
• Preliminaries
• Scala Features
• Hello, World
• Hello, World - Version 2
• The Scala REPL
• Two Types of Variables
• The Type is Optional
• A Few Built-In Types
• Two Notes About Strings
• Command-Line I/O
• Control Structures
• The if/then/else Construct
• for Loops
• for Expressions
• match Expressions
• try/catch/finally Expressions
• Scala Classes
• Auxiliary Class Constructors
• Supplying Default Values for Constructor Parameters
• A First Look at Scala Methods
• Enumerations (and a Complete Pizza Class)
• Scala Traits and Abstract Classes
• Using Scala Traits as Interfaces
• Using Scala Traits Like Abstract Classes
• Abstract Classes
• Scala Collections
• The ArrayBuffer Class
• The List Class
• The Vector Class
• The Map Class
• The Set Class
• Anonymous Functions
• Common Sequence Methods
• Common Map Methods
• A Few Miscellaneous Items
• Tuples
• An OOP Example
• sbt and ScalaTest
• The most used scala build tool (sbt)
• Using ScalaTest with sbt
• Writing BDD Style Tests with ScalaTest and sbt
• Functional Programming
• Pure Functions
• Passing Functions Around
• No Null Values
• Companion Objects
• Case Classes
• Case Objects
• Functional Error Handling in Scala
• Concurrency
• Scala Futures
• Where To Go Next

Problem with this page?
Please help us fix it!