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Working with Creational Patterns

In this chapter, we'll cover how classical creational patterns are implemented in Kotlin. These patterns deal with how and when you create your objects. Mastering these patterns will allow you to manage your objects better, adapt well to changes, and write code that is easy to maintain.

In this chapter, we will cover the following topics:

Singleton
Factory Method
Abstract Factory
Builder
Prototype

Key benefits

Understand traditional GOF design patterns to apply generic solutions

Shift from OOP to FP; covering reactive and concurrent patterns in a step-by-step manner

Choose the best microservices architecture and MVC for your development environment

Description

Design patterns enable you as a developer to speed up the development process by providing you with proven development paradigms. Reusing design patterns helps prevent complex issues that can cause major problems, improves your code base, promotes code reuse, and makes an architecture more robust. The mission of this book is to ease the adoption of design patterns in Kotlin and provide good practices for programmers. The book begins by showing you the practical aspects of smarter coding in Kotlin, explaining the basic Kotlin syntax and the impact of design patterns. From there, the book provides an in-depth explanation of the classical design patterns of creational, structural, and behavioral families, before heading into functional programming. It then takes you through reactive and concurrent patterns, teaching you about using streams, threads, and coroutines to write better code along the way By the end of the book, you will be able to efficiently address common problems faced while developing applications and be comfortable working on scalable and maintainable projects of any size.

What you will learn

• Get to grips with Kotlin principles, including its strengths and weaknesses

• Understand classical design patterns in Kotlin

• Explore functional programming using built-in features of Kotlin

• Solve real-world problems using reactive and concurrent design patterns

• Use threads and coroutines to simplify concurrent code flow

• Understand antipatterns to write clean Kotlin code, avoiding common pitfalls

• Learn about the design considerations necessary while choosing between architectures

What do you get with Print?

Instant access to your digital eBook copy whilst your Print order is Shipped

Paperback book shipped to your preferred address

Download this book in EPUB and PDF formats

Access this title in our online reader with advanced features

DRM FREE - Read whenever, wherever and however you want

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Lior Bar-On Dec 29, 2018

Hands-On Design Patterns with Kotlin teaches intermediate to advanced Kotlin, by taking us through the classical GOF design pattens, functional programming aspects of Kotlin, and concurrency patterns.Implementing design patterns in a newly acquired language is a good exercise to understand the language capability and idioms. This is so much better than books that just replicate the standard tutorial.The book is well-written and shows effective and clear examples. As stated in this title - this book is really "Hands-On".This book is not about the very basics of the language, but I would easily recommend it to learn how to write Kotlin better.

Amazon Verified review

Kenneth Brewer III Aug 13, 2018

This book is excellent. There are chapters on not just the 23 GOF patterns but it covers functional programming patterns (with streams), reactive programming, concurrency and coroutines, and idioms and anti-patterns. It's written in a very easy to read way and I was able to absorb the material very rapidly. While it does cover some Kotlin basics this is NOT a beginner programming book. It's written by programmers for programmers.

Luis Solano Sep 06, 2019

The info is very detailed and useful. There is alot of info, definitely a reference material for Kotlin.

Hudson Aug 19, 2020

some example are not practical.

Trust Mubaiwa Jan 05, 2020

So far I like the book. As a seasoned developer, this is a good book to re affirm the reasons behind some of the design patterns we have been using for years

Hands-On Design Patterns with Kotlin: Build scalable applications using traditional, reactive, and concurrent design patterns in Kotlin

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Hands-On Design Patterns with Kotlin

Working with Creational Patterns

Singleton

Factory Method

Factory

Abstract Factory

Builder

Composing an email

Prototype

Building your own PC

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