Download A Beginner's Guide to Scala, Object Orientation and by John Hunt PDF

By John Hunt

Scala is a brand new programming language constructed through Martin Odersky and his workforce on the EPFL. The identify Scala is derived from Sca(lable) La(nguage). Scala is a multi-paradigm language, incorporating item orientated ways with useful programming. even though a few familiarity with typical computing ideas is believed (such because the proposal of compiling a software and executing this compiled shape, etc.) and with simple procedural language techniques (such as variables and allocation of values to variables) the early chapters of the e-book don't suppose any familiarity with item orientation nor sensible programming. those chapters additionally step via different suggestions with which the reader will not be general (such as record processing). From this history, John Hunt presents a pragmatic advent to item and useful know-how utilizing Scala, one of many most recent and best programming languages to be had. 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 practical programming. scholars, and people actively curious about the software program will locate this entire advent to Scala and to item orientation and useful programming, helpful.

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Additional info for A Beginner's Guide to Scala, Object Orientation and Functional Programming

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6c. 7. 9 Summary In this chapter, you have seen how a very simple system can be broken down into objects. These objects combine to provide the overall functionality of the system. You have seen how the data to be represented determines the objects used and that the interactions between objects determine the structure of the system. You should also have noted that objects and their classes, methods and instance variables are identified by more of an evolutionary process than in languages that are not object oriented.

Once you have specified the appropriate location select ‘OK’. 46 Fig. 3 Scala Download Site Fig. 4 The Scala IDE 47 Fig. 5 The Scala IDE Fig. 5). This editor is made up of views onto the project or projects you are working with. The current display shows the package Explorer on the left, Outline on the right, an area below the middle showing any problems, tasks to be completed and the output console. The currently blank central area is where you code will be displayed. 3 Creating a Project The first thing we need is a Scala Project.

The compiler is called scalac and you may use it from the command line to compile Scala code files directly or you may use it via an IDE (such as the Scala IDE) that can compile your code for you automatically. It can also be used via various application build tools such as the SBT (Simple Build Tool) for Scala. scala extension) you create byte code files. class extension. They are not directly executable files (these are files with have a. exe. bin type extension and can be run natively by the operating system).

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