Get started with Kotlin

Kotlin is a modern but already mature programming language designed to make developers happier. It's concise, safe, interoperable with Java and other languages, and provides many ways to reuse code between multiple platforms for productive programming.

To start, why not take our tour of Kotlin? This tour covers the fundamentals of the Kotlin programming language and can be completed entirely within your browser.

Install Kotlin

Kotlin is included in each IntelliJ IDEA and Android Studio release. Download and install one of these IDEs to start using Kotlin.

Choose your Kotlin use case

Here you'll learn how to develop a console application and create unit tests with Kotlin.

Create a basic JVM application with the IntelliJ IDEA project wizard.
Write your first unit test.
Join the Kotlin community:
- Slack: get an invite.
- StackOverflow: subscribe to the "kotlin" tag.
Follow Kotlin on:

If you encounter any difficulties or problems, report an issue in our issue tracker.

Here you'll learn how to develop a backend application with Kotlin server-side.

Create your first backend application:
- Create a RESTful web service with Spring Boot.
- Create HTTP APIs with Ktor.
Learn how to mix Kotlin and Java code in your application.
Join the Kotlin server-side community:
- Slack: get an invite.
- StackOverflow: subscribe to the "kotlin" tag.
Follow Kotlin on:

If you encounter any difficulties or problems, report an issue in our issue tracker.

Here you'll learn how to develop a cross-platform application using Kotlin Multiplatform.

Set up your environment for cross-platform development.
Create your first application for iOS and Android:
Explore sample projects.
Join the Kotlin Multiplatform community:
- Slack: get an invite and join the #getting-started and #multiplatform channels.
- StackOverflow: Subscribe to the "kotlin-multiplatform" tag.
Follow Kotlin on:

If you encounter any difficulties or problems, report an issue to our issue tracker.

To start using Kotlin for Android development, read Google's recommendation for getting started with Kotlin on Android.

Join the Android community on Slack: get an invite and join the #android channel.

Follow Kotlin on Twitter, Reddit, and Youtube, and don't miss any important ecosystem updates.

From building data pipelines to productionizing machine learning models, Kotlin is a great choice for working with data and getting the most out of it.

Create and edit notebooks seamlessly within the IDE:
- Get started with Kotlin Notebook.
Explore and experiment with your data:
- DataFrame – a library for data analysis and manipulation.
- Kandy – a plotting tool for data visualization.
Get the latest updates about Kotlin for Data Analysis:
- Slack: get an invite and join the #datascience channel.
- Twitter: follow KotlinForData.
Follow Kotlin on:

Is anything missing?

If anything is missing or seems confusing on this page, please share your feedback.

Last modified: 10 December 2024