In this book we show how scala proves to be a highly expressive, concise. Loverdos, apostolos syropoulos, sep 23, 2010, computers. The previous examples gave an impression of what can be done with scala. But this book describes all main topics interaction with jvm, concurrent programming, pattern matching, etc. Functional programming has emerged since the mid2000s as an attractive basis for software construction. The book includes carefully chosen exercises and three full programming projects. Programming inscala artima martin odersky lex spoon bill venners a comprehensive step by step guide. The workshop discusses the java memory model, the issues of visibilty and reordering, the use of volatile and atomic variable, the implementation of immutable types based on the memory models initialization safety garantee, and provides an introduction to the techniques of lockfree programming. For the time being, functional programming was delegated to being a hobby, and also a handy way to find cute new material for the occasional dissertation or thesis. An introduction to objectfunctional programming by loverdos, christos k. They correspond directly to the fundamental actions that together cover the essence of programming in scala compose match group recurse abstract aggregate mutate as always. A handson introduction to scala, the first fullyfledged programming language to embody the principles and ideas of object functional programming. Scala is a modern multi paradigm programming language designed to express common programming. Steps in scala an introduction to objectfunctional programming objectfunctional programming is already here.
In this new series, ted neward introduces scala, a programming language that combines functional and object oriented techniques for the jvm. May 25, 2014 scala the simple parts before discussing library modules, lets start with the simple parts in the language itself. For me, practical design in scala i wont say functional, because to me scala design is an object functional hybrid is based on a few pillars. Oct 28, 2010 welcome to the first part of a series of episodes about functional scala. A handson introduction to scala, the first fullyfledged programming language to embody the principles and ideas of objectfunctional programming. Objectfunctional programming is a programming philosophy that is continuously gaining momentum since the introduction of scala. Scala is a modern multiparadigm programming language designed to express common programming.
Steps in scala an introduction to objectfunctional. P capital iq pretty much the entire time they were writing the book. It is also the most prominent method of the new and exciting methodology known as objectfunctional programming. Your print orders will be fulfilled, even in these challenging times. The ambitious goal of this chapter is to teach you how to build gui applications in scala. An introduction to objectfunctional programming scala is a highly expressive, concise and scalable language. This book book aims at providing a lucid, applicationoriented presentation of scala s pure objectoriented in the sense thata. While positioning itself as a so called object functional language, most of the discussion and articles about scala centered around its object oriented features so far. Steps in scala an introduction to object functional. Tackle multicore complexity on the java virtual machine pragmatic programmers, 2009th is a short comparing to other books introduction to programming in scala.
While positioning itself as a so called objectfunctional language, most of the discussion and articles about scala centered around its object oriented features so far. This lesson begins a second on an introduction to functional programming in scala. Scala lets you write code in an objectoriented programming oop style. Typeclasses for general behaviours over various data types. Functional programming scala book scala documentation. A scala tutorial for java programmers scala documentation. Scala is a scalable objectfunctional programming language. It is therefore worthwhile to go more deeply into object functional programming in general and scala in particular. Highly expressive, concise and scalable, scala grows to the needs of a programmer, whether professional or hobbyist.
An introduction to objectfunctional programming loverdos, christos k. Our solution is what is referred to as an internal dsl, internal to embedded. Scala is the most prominent representative of this exciting approach to programming,both in the small and in the. Examples are val x foo for an immutable constant or immutable object or var x. The second ingredient for scalas impressive adoption history is that it rides, and to a certain degree drives, the emerging trend of combining functional and objectoriented programming. Pattern matching over class hierarchies unifies functional and object oriented data access. It is aimed at the construction of components and component. Scala fuses objectoriented and functional programming in a statically typed programming language. Everyday low prices and free delivery on eligible orders. A basic knowledge of objectoriented programming, especially in java. Scala the simple parts before discussing library modules, lets start with the simple parts in the language itself. The preceding discussion gave a flavor of distributed programming in scala.
In computer science, functional programming is a programming paradigma style of building. This document gives a quick introduction to the scala language and compiler. Unifying functional and objectoriented programming with scala. It was believed that functional languages were slower than their imperative cousins, but this was mostly taken on faith and nobody really went out of their way to prove it. Steps in scala an introduction to objectfunctional programming, christos k. How scala works scala is a scalable objectfunctional. Therefore, any serious modern programming language should provide tools for gui programming. Welcome to the first part of a series of episodes about functional scala.
From a functional programming perspective an introduction. The essence of objectfunctional programming and the. Jan 22, 2008 the java platform has historically been the province of object oriented programming, but even java language stalwarts are starting to pay attention to the latest oldisnew trend in application development. Scala is a generalpurpose programming language providing support for functional.
The code below shows how to use the map method to append the string donut to each donut element in the sequence. It seamlessly integrates features of objectoriented and functional languages. Accordingly well, the language is suited for object functional programming. The second ingredient for scala s impressive adoption history is that it rides, and to a certain degree drives, the emerging trend of combining functional and object oriented programming. In the following program, the timer function is called oncepersecond, and it gets a. For me, practical design in scala i wont say functional, because to me scala design is an objectfunctional hybrid is based on a few pillars. In this book, the authors show how scala grows to the needs of the programmer, whether professional or hobbyist. Scala is a highly expressive, concise and scalable language. An introduction to objectfunctional programming at. Scala is the most prominent representative of this exciting approach to programming,both in the small and in the large. Scala is a scalable object functional programming language. Many objectoriented design patterns are expressible in functional programming terms. Steps in scala an introduction to objectfunctional programming. In this new series, ted neward introduces scala, a programming language that combines functional and objectoriented techniques for the jvm.1444 434 161 872 1657 1023 199 530 156 1194 1602 542 306 541 288 912 1608 1422 391 891 1048 1362 1035 372 524 8 1504 1614 1611 77 541 1071 701 814 1371 984 990 1280 218 961 800 1382 489