The Joy of Kotlin you own this product

Pierre-Yves Saumont
  • April 2019
  • ISBN 9781617295362
  • 480 pages
  • printed in black & white
  • Available translations: Korean, Russian, Simplified Chinese
Look inside

Maintaining poor legacy code, interpreting cryptic comments, and writing the same boilerplate over and over can suck the joy out of your life as a Java developer. Fear not! There's hope! Kotlin is an elegant JVM language with modern features and easy integration with Java. The Joy of Kotlin teaches you practical techniques to improve abstraction and design, to write comprehensible code, and to build maintainable bug-free applications.

about the technology

Your programming language should be expressive, safe, flexible, and intuitive, and Kotlin checks all the boxes! This elegant JVM language integrates seamlessly with Java, and makes it a breeze to switch between OO and functional styles of programming. It’s also fully supported by Google as a first-class Android language. Master the powerful techniques in this unique book, and you’ll be able to take on new challenges with increased confidence and skill.

about the book

The Joy of Kotlin teaches you to write comprehensible, easy-to-maintain, safe programs with Kotlin. In this expert guide, seasoned engineer Pierre-Yves Saumont teaches you to approach common programming challenges with a fresh, FP-inspired perspective. As you work through the many examples, you’ll dive deep into handling errors and data properly, managing state, and taking advantage of laziness. The author’s down-to-earth examples and experience-driven insights will make you a better—and more joyful—developer!

what's inside

  • Programming with functions
  • Dealing with optional data
  • Safe handling of errors and exceptions
  • Handling and sharing state mutation

about the reader

Written for intermediate Java or Kotlin developers.

about the author

Pierre-Yves Saumont is a senior software engineer at Alcatel-Submarine Networks. He’s the author of Functional Programming in Java (Manning, 2017).

A fabulous introduction to the universe of functional programming!

Aleksei Slaikovskii, Oracle

Excellent, easy-to-understand examples of implementing functional programming in Kotlin.

Emmanuel Medina, Global HITSS

A great handbook for anyone studying Kotlin or functional programming who isn’t sure where to start. Provides solid problems and explanations that don’t underestimate readers.

Bridger Howell, SoFi

As a merger of both Kotlin and FP, this book teaches only the theory you need and features lots of solved exercises. Give it a try!

Jean-François Morin, Laval University
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Learning Kotlin from a great book.
September 1, 2022 by Edward C. (Georgia, US)
“A Great book that I am enjoying. I have been reading and applying the things I read to personal programming projects. This book is an excellent resource.”
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Excellent book on functional programming techniques in Kotlin
June 14, 2021 by Georges L. (FR)
“An excellent book on programming approaches to make programs more reliable using functional programming in Kotlin.”
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I trust Manning and got a fairly good offer.
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“Great buy”
June 3, 2021 by Emily N. (AU)
“It is a nice book for someone who is just starting out with kotlin”
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Well written
July 10, 2019 by Nishkar R. (Kwa-Zulu Natal, ZA)
“I find this book well written and easy to follow. The author communicates ideas so clearly.”
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“Good buy”
Explains function programming style and its benefits in a JVM environment
September 2, 2020 by Bart V. (NH, NL)
“Explains function programming style and its benefits in a JVM environment”
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good quality books, good price

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