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Scala Programming Projects

You're reading from   Scala Programming Projects Build real-world projects using popular Scala frameworks such as Play, Akka, and Spark

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Product type Paperback
Published in Sep 2018
Publisher Packt
ISBN-13 9781788397643
Length 398 pages
Edition 1st Edition
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Authors (2):
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Mikael Valot Mikael Valot
Author Profile Icon Mikael Valot
Mikael Valot
Nicolas Jorand Nicolas Jorand
Author Profile Icon Nicolas Jorand
Nicolas Jorand
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Table of Contents (13) Chapters Close

Preface 1. Writing Your First Program FREE CHAPTER 2. Developing a Retirement Calculator 3. Handling Errors 4. Advanced Features 5. Type Classes 6. Online Shopping - Persistence 7. Online Shopping - REST API 8. Online Shopping - User Interface 9. Interactive Browser 10. Fetching and Persisting Bitcoin Market Data 11. Batch and Streaming Analytics 12. Other Books You May Enjoy

Writing Your First Program

In 2001, Martin Odersky started to design the Scala language – it took him three years to release the first public version. The name comes from Scalable language. This was chosen because Scala is designed to grow with the requirements of its users – you can use Scala for small scripts or for large enterprise applications.

Scala has been constantly evolving ever since, with a growing popularity. As a general purpose language, it is used in many different industries such as finance, telecoms, retail, and media. It is particularly compelling in distributed scalable systems and big data processing. Many leading open source software projects have been developed in Scala, such as Apache Spark, Apache Kafka, Finagle (by Twitter), and Akka. A large number of companies use Scala in production, such as Morgan Stanley, Barclays, Twitter, LinkedIn, The Guardian, and Sony.

Scala is not an extension of Java but is fully interoperable with it. You can call Java code from Scala, and you can call Scala code from Java. There is also a compiler to JavaScript, which we will explore later on in this book. You can, therefore, run Scala code in your browser.

Scala is a blend of object-oriented and functional programming paradigms, and it is statically typed. As such, it can serve as a bridge for people from an object-oriented or imperative background to move gradually to functional programming.

In this chapter, we will cover the following topics:

  • Setting up your environment
  • Using the basic features
  • Running the Scala Console
  • Using the Scala Console and Worksheet
  • Creating my first project
You have been reading a chapter from
Scala Programming Projects
Published in: Sep 2018
Publisher: Packt
ISBN-13: 9781788397643
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