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More developers are choosing Kotlin every day. It is one of the fastest-growing programming languages according to GitHub, and one of the most in-demand coding languages according to Hired.  As demand for Kotlin developers increases, we are looking to support computer science educators and make Kotlin educational content as widely available as possible.  In this post, we’d like to share

Let’s continue learning how to write idiomatic Kotlin code by solving the Advent of Code tasks! Today, we’re discussing the solution for the day 2 task. (more…)

Kotlin was designed to be very similar to Java to make migration as smooth as possible. However, Kotlin was also designed to improve the developers' experience by providing a more expressive syntax and a more sophisticated type system. To take full advantage of the language and write more concise code, learning Kotlin idioms is a must. Without them, it is easy to fall back into old Java patterns.

If you use Kotlin Multiplatform Mobile (KMM) for sharing code between iOS and Android, you will at some point have to decide how you will deliver the shared module to your platform projects. While Android integration is smooth out of the box, iOS integration can require some additional setup. In this post, you will learn how to use the latest Kotlin features to easily connect the KMM module to you

What’s the best way to learn a language other than writing some code with it? Solving fun and short tasks like the ones from Advent of Code might be a great opportunity to practice your language skills, and you can learn a lot if you compare your solutions with how others have solved the same problem. Lots of developers from around the world, including some from the Kotlin team, take part in th

The Kotlin API for Apache Spark is now widely available. This is the first stable release of the API that we consider to be feature-complete with respect to the user experience and compatibility with core Spark APIs. Get on Maven Central Let’s take a look at the new features this release brings to the API. Typed select and sortMore column functionsMore KeyValueGroupedDataset wrapper funct

Kotlin isn't just a programming language, and it’s not just a language for Android development. It's a whole ecosystem for creating various projects, from mobile apps and websites to data science. It’s an active, friendly community, with hundreds of online and offline events happening all around the world. Despite its fairly long history, Kotlin has never had a consistent visual style. Designs

If you’ve been thinking of new ways to level up your Kotlin coding skills, programming competitions are a great way to do so. Starting from June 22, you can polish your Kotlin skills and practice solving algorithmic problems in a dedicated practice round on the Codeforces platform. On June 29, the real challenge begins – take part in Kotlin Heroes: Episode 7, and compete to win prizes! I

In this post you’ll find the answers to 10 questions about Kotlin’s future.

Since the release of Kotlin Multiplatform Mobile about 9 months ago, more and more developers have decided to give it a try and start to share their code between mobile platforms. Some do this in their free time while working on pet projects. Some integrate KMM into existing apps. And some even base their brand new applications on the KMM technology. The technology is already helping many dev

This blog post continues from the previous one about how we measure IDE performance and what results we’ve already achieved. We want to give you a few tips on what to do if you are still experiencing poor performance and show you how best to approach us with issues that bother you. Features to useUseful tipsMaking us aware of IDE performance issues (more…)

The recordings of our 1.5.0 release celebration event are out and available for you on the Kotlin YouTube Channel. 🔔 Subscribe to the channel updates and stay up to date with the Kotlin future events! Recordings and slides  Our amazing hosts – Svetlana Isakova and Sebastian Aigner – gave a talk about the 1.5.0 updates, and Roman Elizarov presented on the future of Kotlin. Af