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Programming Kotlin

You're reading from   Programming Kotlin Get to grips quickly with the best Java alternative

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Product type Paperback
Published in Jan 2017
Publisher Packt
ISBN-13 9781787126367
Length 420 pages
Edition 1st Edition
Languages
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Authors (2):
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Stefan Bocutiu Stefan Bocutiu
Author Profile Icon Stefan Bocutiu
Stefan Bocutiu
Stephen Samuel Stephen Samuel
Author Profile Icon Stephen Samuel
Stephen Samuel
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Toc

Table of Contents (14) Chapters Close

Preface 1. Getting Started with Kotlin FREE CHAPTER 2. Kotlin Basics 3. Object-Oriented Programming in Kotlin 4. Functions in Kotlin 5. Higher Order Functions and Functional Programming 6. Properties 7. Null Safety, Reflection, and Annotations 8. Generics 9. Data Classes 10. Collections 11. Testing in Kotlin 12. Microservices with Kotlin 13. Concurrency

Drawbacks

No technology is perfect and using microservices has its drawbacks. As one would say, there are no silver bullets.

We mentioned that microservices have their own database schema. Therefore, you can't have transactional updates for your domain models like you usually do when dealing with a monolithic application using one database. Your system will eventually end up being consistent and that comes with its own bag of challenges.

Implementing a change that will end up touching more than one service has its own complexity. In a monolithic application, these things are quite straightforward. All you have to do is change the modules required and then deploy all of them in one go. But for a distributed microservices system, where there are dependencies between services, you need to plan the upgrade. You will end up deploying the service that all the other ones depend upon first and then repeat this step until the last required service is upgraded. Luckily, such changes are not very...

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