Free Programming Books

11 Excellent Free Books to Learn Scala

9. Scala & Design Patterns: Exploring Language Expressivity by Frederik Skeel Løkke

Scala & Design PatternsThis thesis explores a well known catalog of design patterns in the context of the programming language Scala. Design patterns do in general not exist as reusable components.

Scala features novel abstraction mechanisms with a strong focus on the writing of components and is thus interesting to explore in the context of design patterns. General implementation problems concerning design patterns are identified. The analysis of the catalog shows that Scala can deal with some of these problems. Components for three patterns are provided, but in general Scala lacks the needed abstraction mechanisms. The principles behind design patterns, has long been regarded as sound engineering advice. The second principle, “Favor object composition over class inheritance”, is shown to be weakened in Scala. Further, a language feature proposal is presented, that if present in Scala in its full generality would result in the need for reevaluation of the principle.

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10. Scala By Example by Martin Odersky

Scala by ExampleThis document introduces Scala in an informal way, through a sequence of examples. Chapters 2 and 3 highlight some of the features that make Scala interesting.

The following chapters introduce the language constructs of Scala in a more thorough way, starting with simple expressions and functions, and working up through objects and classes, lists and streams, mutable state, pattern matching to more complete examples that show interesting programming techniques. The present informal exposition is meant to be complemented by the Scala Language Reference Manual which specifies Scala in a more detailed and precise way.

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11. The Neophyte’s Guide to Scala by Daniel Westheide

The Neophyte’s Guide to Scala is a book for intermediate Scala developers.

In this book, you will learn the details of how to employ pattern matching and extractors, working with the omnipresent Option and similar types in an idiomatic way, and leveraging higher-order functions and currying to keep your code DRY.

Furthermore, you will gain insight into advanced Scala features like type classes and path-dependent types and about Scala’s approach at concurrent programming: Learn about the power of Scala’s futures and the actor model, as implemented in the popular Akka toolkit.

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Pages in this article:
Page 1 – Programming in Scala and more books
Page 2 – The Type Astronaut’s Guide to Shapeless Book and more books
Page 3 – Scala & Design Patterns: Exploring Language Expressivity and more books

All books in this series:

Free Programming Books
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JavaScriptInterpreted, prototype-based, scripting language
PHPPHP has been at the helm of the web for many years
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RubyGeneral purpose, scripting, structured, flexible, fully object-oriented language
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SwiftPowerful and intuitive general-purpose programming language
GroovyPowerful, optionally typed and dynamic language
GoCompiled, statically typed programming language
PascalImperative and procedural language designed in the late 1960s
PerlHigh-level, general-purpose, interpreted, scripting, dynamic language
RDe facto standard among statisticians and data analysts
COBOLCommon Business-Oriented Language
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FortranThe first high-level language, using the first compiler
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RustIdeal for systems, embedded, and other performance critical code
LispUnique features - excellent to study programming constructs
AdaALGOL-like programming language, extended from Pascal and other languages
HaskellStandardized, general-purpose, polymorphically, statically typed language
SchemeA general-purpose, functional language descended from Lisp and Algol
PrologA general purpose, declarative, logic programming language
ForthImperative stack-based programming language
ClojureDialect of the Lisp programming language
JuliaHigh-level, high-performance language for technical computing
AwkVersatile language designed for pattern scanning and processing language
CoffeeScriptTranscompiles into JavaScript inspired by Ruby, Python and Haskell
BASICBeginner’s All-purpose Symbolic Instruction Code
ErlangGeneral-purpose, concurrent, declarative, functional language
VimLPowerful scripting language of the Vim editor
OCamlThe main implementation of the Caml language
ECMAScriptBest known as the language embedded in web browsers
BashShell and command language; popular both as a shell and a scripting language
LaTeXProfessional document preparation system and document markup language
TeXMarkup and programming language - create professional quality typeset text
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TypeScriptStrict syntactical superset of JavaScript adding optional static typing
ElixirRelatively new functional language running on the Erlang virtual machine
F#Uses functional, imperative, and object-oriented programming methods
TclDynamic language based on concepts of Lisp, C, and Unix shells
FactorDynamic stack-based programming language
EiffelObject-oriented language designed by Bertrand Meyer
AgdaDependently typed functional language based on intuitionistic Type Theory
IconWide variety of features for processing and presenting symbolic data
XMLRules for defining semantic tags describing structure ad meaning
ValaObject-oriented language, syntactically similar to C#
Standard MLGeneral-purpose functional language characterized as "Lisp with types"
DGeneral-purpose systems programming language with a C-like syntax
DartClient-optimized language for fast apps on multiple platforms
MarkdownPlain text formatting syntax designed to be easy-to-read and easy-to-write
KotlinMore modern version of Java
Objective-CObject-oriented language that adds Smalltalk-style messaging to C
PureScriptSmall strongly, statically typed language compiling to JavaScript
ClojureScriptCompiler for Clojure that targets JavaScript
VHDLHardware description language used in electronic design automation
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