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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

Developing a Retirement Calculator

In this chapter, we will put into practice the features of the Scala language seen in the first chapter. We will also introduce other elements of the Scala language and SDK to develop the model and logic for a retirement calculator. This calculator will help people work out how long and how much to save to have a comfortable retirement.

We will use the test-driven development (TDD) technique to develop the different functions. I encourage you to try writing the body of the functions yourself before looking at the solution. Also, it would be better to retype the code rather than copy/pasting it. You will remember it more and will have a sense of what it feels like to use IntelliJ's completion and editor. Do abuse the autocompletion with Ctrl + spacebar. You will not only type faster, but you will also discover what functions are...

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