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Learning Scala Programming

Learning Scala Programming

By : Sharma
2 (3)
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Learning Scala Programming

Learning Scala Programming

2 (3)
By: Sharma

Overview of this book

Scala is a general-purpose programming language that supports both functional and object-oriented programming paradigms. Due to its concise design and versatility, Scala's applications have been extended to a wide variety of fields such as data science and cluster computing. You will learn to write highly scalable, concurrent, and testable programs to meet everyday software requirements. We will begin by understanding the language basics, syntax, core data types, literals, variables, and more. From here you will be introduced to data structures with Scala and you will learn to work with higher-order functions. Scala's powerful collections framework will help you get the best out of immutable data structures and utilize them effectively. You will then be introduced to concepts such as pattern matching, case classes, and functional programming features. From here, you will learn to work with Scala's object-oriented features. Going forward, you will learn about asynchronous and reactive programming with Scala, where you will be introduced to the Akka framework. Finally, you will learn the interoperability of Scala and Java. After reading this book, you'll be well versed with this language and its features, and you will be able to write scalable, concurrent, and reactive programs in Scala.
Table of Contents (16 chapters)
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More on Functions

"The problems are solved, not by giving new information, but by arranging what we have known since long."
– Ludwig Wittgenstein

One of the reasons we choose to write a function is because it can make our code more readable and look more concise. It's also better, when providing a solution, to break our problem statements down into components/actions and form corresponding functions for them. In this manner, it's going to be easier to solve problems with any programming language that provides function constructs (almost all languages provide such constructs because they are important). Scala provides a variety of ways in which we can write functions to achieve things. Our intention in this chapter is to learn how. If you remember correctly, we touched upon functions in Scala in Chapter 4, Giving Meaning to Programs with Functions...

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