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Kotlin Design Patterns and Best Practices

Kotlin Design Patterns and Best Practices - Second Edition

By : Alexey Soshin
4.5 (13)
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Kotlin Design Patterns and Best Practices

Kotlin Design Patterns and Best Practices

4.5 (13)
By: Alexey Soshin

Overview of this book

This book shows you how easy it can be to implement traditional design patterns in the modern multi-paradigm Kotlin programming language, and takes you through the new patterns and paradigms that have emerged. This second edition is updated to cover the changes introduced from Kotlin 1.2 up to 1.5 and focuses more on the idiomatic usage of coroutines, which have become a stable language feature. You'll begin by learning about the practical aspects of smarter coding in Kotlin, as well as understanding basic Kotlin syntax and the impact of design patterns on your code. The book also provides an in-depth explanation of the classical design patterns, such as Creational, Structural, and Behavioral families, before moving on to functional programming. You'll go through reactive and concurrent patterns, and finally, get to grips with coroutines and structured concurrency to write performant, extensible, and maintainable code. By the end of this Kotlin book, you'll have explored the latest trends in architecture and design patterns for microservices. You’ll also understand the tradeoffs when choosing between different architectures and make informed decisions.
Table of Contents (17 chapters)
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1
Section 1: Classical Patterns
6
Section 2: Reactive and Concurrent Patterns
11
Section 3: Practical Application of Design Patterns

Summary

This chapter concludes our journey into the design patterns in Kotlin. Vert.x uses actors, called verticles, to organize the logic of the application. Actors communicate between themselves using Event Bus, which is an implementation of the Observable design pattern.

We also discussed the Event Loop pattern, how it allows Vert.x to process lots of events concurrently, and why it's important not to block its execution.

Now, you should be able to write microservices in Kotlin using two different frameworks, and you can choose what approach works best for you.

Vert.x provides a lower-level API than Ktor, which means that we may think more about how we structure our code, but the resulting application may be more performant as well. Since this is the end of this book, all that's left is for me to wish you the best of luck in learning about Kotlin and its ecosystem. You can always get some help from me and other Kotlin enthusiasts by going to https://stackoverflow...

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