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Hands-On Object-Oriented Programming with Kotlin

You're reading from   Hands-On Object-Oriented Programming with Kotlin Build robust software with reusable code using OOP principles and design patterns in Kotlin

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Product type Paperback
Published in Oct 2018
Publisher Packt
ISBN-13 9781789617726
Length 370 pages
Edition 1st Edition
Languages
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Authors (2):
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Abid Khan Abid Khan
Author Profile Icon Abid Khan
Abid Khan
Igor Kucherenko Igor Kucherenko
Author Profile Icon Igor Kucherenko
Igor Kucherenko
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Toc

Table of Contents (14) Chapters Close

Preface 1. Getting Started with Kotlin 2. Introduction to Object-Oriented Programming FREE CHAPTER 3. The Four Pillars of Object-Oriented Programming 4. Classes - Advanced Concepts 5. Data Collection, Iterators, and Filters 6. Object-Oriented Patterns in Kotlin 7. Coroutines - a Lightweight Thread? 8. Interoperability 9. Regular Expression and Serialization in Kotlin 10. Exception Handling 11. Testing in Object-Oriented Programming with Kotlin 12. Assessments 13. Other Books You May Enjoy

What are coroutines?

Coroutines are components of a computer program that can be considered lightweight threads. Coroutines allow us to suspend the invocation of a function without blocking a thread. Let's imagine a case in which you need to perform a request on the server and display a progress bar until your app receives the response. A request is a long-term operation that should be performed asynchronously because a user interface should stay responsive. This is a common approach to running a new thread that uses a callback so that you're notified when the app receives a response. However, using code with callbacks looks unnatural, complex, and can lead to bugs.

Coroutines can be considered as a library that wraps a particular part of code with the creation of new threads and callbacks. This approach allows you to write asynchronous code in a way that looks as if...

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