Book Image

Kotlin Blueprints

By : Ashish Belagali, Akshay Chordiya, Hardik Trivedi
Book Image

Kotlin Blueprints

By: Ashish Belagali, Akshay Chordiya, Hardik Trivedi

Overview of this book

Kotlin is a powerful language that has applications in a wide variety of fields. It is a concise, safe, interoperable, and tool-friendly language. The Android team has also announced first-class support for Kotlin, which is an added boost to the language. Kotlin’s growth is fueled through carefully designed business and technology benefits. The collection of projects demonstrates the versatility of the language and enables you to build standalone applications on your own. You’ll build comprehensive applications using the various features of Kotlin. Scale, performance, and high availability lie at the heart of the projects, and the lessons learned throughout this book. You’ll learn how to build a social media aggregator app that will help you efficiently track various feeds, develop a geospatial webservice with Kotlin and Spring Boot, build responsive web applications with Kotlin, build a REST API for a news feed reader, and build a server-side chat application with Kotlin. It also covers the various libraries and frameworks used in the projects. Through the course of building applications, you’ll not only get to grips with the various features of Kotlin, but you’ll also discover how to design and prototype professional-grade applications.
Table of Contents (16 chapters)
Title Page
About the Authors
About the Reviewer
Customer Feedback


You might have noticed how Kotlin cuts down the boilerplate code and helps you write clean and concise code. It even makes the whole app development easier and fun. Overall, Kotlin is a great language with excellent IDE support and it has a light-weight runtime, which is a bonus considering the fact that it comes with 100% interoperability with Java. The Null safety helps to handle all the nulls at compile time and saves us from making a Billion-Dollar Mistake (

We have successfully built our production ready geospatial messenger, which you can use to leave messages on the map on particular co-ordinates with Spring Boot while leveraging amazing features of Kotlin. We also saw how to write test cases in Kotlin, which is a great way to start writing Kotlin code in case you're afraid of writing actual logic.

In the next chapter, we will look at how to build web applications (RESTful web services) with the Ktor framework, which is built with Kotlin...