Kotlin Programming: The Big Nerd Ranch Guide

Kotlin is a concise and multiplatform programming language by JetBrains. Enjoy coding and build server-side, mobile, web, and desktop applications efficiently.

Kotlin is a modern statically typed programming language used by over 60% of professional Android developers that helps boost productivity, developer satisfaction, and code safety.

In this Kotlin tutorial, you'll learn various important Kotlin topics, including data types, control flow, functions, object-oriented programming, collections, and more.

Kotlin Foundation – protect, promote and advance the development of the Kotlin programming language.

Kotlin Programming: The Big Nerd Ranch Guide 4

If you want to learn Kotlin for free with a well-organized, step-by-step tutorial, you can use our free Learn Kotlin Programming - For Beginners course. Our tutorials will guide you through Kotlin one step at a time, using practical examples to strengthen your foundation.

Kotlin is designed to interoperate fully with Java, and the Java virtual machine (JVM) version of Kotlin's standard library depends on the Java Class Library. However, type inference allows for more concise syntax.

Kotlin Programming: The Big Nerd Ranch Guide 6

Kotlin is easy to learn, especially if you already know Java (it is 100% compatible with Java). Kotlin is used to develop Android apps, server side apps, and much more.

Kotlin Programming: The Big Nerd Ranch Guide 7

Kotlin ships with a very small runtime and it’s the aim to keep it that way. We believe other functionality that is missing from the standard runtime library can be developed as Kotlin Contributions under the Kotlin-X umbrella or as individual projects by community members.

Many developers have adopted Kotlin as their preferred language for Android development. This tutorial gives an introduction to Kotlin, and some of the key features and concepts of Kotlin language.

Kotlin is a modern language that's concise, multiplatform, and interoperable with Java and other languages. New to Kotlin? Take our tour to learn the fundamentals directly in your browser.