By John Hunt
Scala is a brand new programming language constructed by way of Martin Odersky and his group on the EPFL. The identify Scala is derived from Sca(lable) La(nguage). Scala is a multi-paradigm language, incorporating item orientated ways with sensible programming. even if a few familiarity with ordinary computing recommendations is believed (such because the thought of compiling a application and executing this compiled shape, etc.) and with easy procedural language thoughts (such as variables and allocation of values to variables) the early chapters of the publication don't suppose any familiarity with item orientation nor sensible programming. those chapters additionally step via different strategies with which the reader will not be regularly occurring (such as checklist processing). From this historical past, John Hunt presents a realistic advent to item and practical know-how utilizing Scala, one of many most up-to-date and finest programming languages on hand. numerous suggestions are brought via functional adventure taking the reader past the extent of the language syntax to the philosophy and perform of object-oriented improvement and sensible programming. scholars, and people actively occupied with the software program will locate this accomplished advent to Scala and to item orientation and sensible programming, necessary.
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Additional resources for A Beginner's Guide to Scala, Object Orientation and Functional Programming
This chapter looks at how object orientation addresses some of the issues that have been raised with procedural languages. To do this it looks at how a small extract of a program might be written in a language such as C, considers the problems faced by the C developer and then looks at how the same functionality might be achieved in an object oriented language such as Scala, Java or C#. Again do not worry too much about the syntax you will be presented with, it will be Scala but it should not detract from the legibility of the examples.
This has been true of some older functional languages but is increasingly changing with the advent of languages such as Scala. 5 Scala and Functional Programming Scala overcomes many of the disadvantages of functional programming by providing a hybrid environment in which you can use the Object-Oriented features of the language to represent concepts, data rich elements etc. and use functions to express behaviour oriented aspects of a program. It thus provides a best of both worlds approach to your choice of programming language constructs.
Such data can be naturally represented via objects in an Object Oriented language. • Programmers are less familiar with functional programming concepts and thus find it harder to pick up function oriented languages. • Functional Programming idioms are often less intuitive to (traditional) programmers than imperative idioms (such as lazy evaluations) which can make debugging and maintenance harder. • Many Functional Programming languages have been viewed as Ivory tower languages that are only used by academics.
A Beginner's Guide to Scala, Object Orientation and Functional Programming by John Hunt