Kotlin Programming

Create concise, secure and performant apps with Kotlin. Learn to architect and develop Android apps in the Kotlin programming language using industry-proven tools and libraries. With these techniques you'll create apps in less time, writing less code, and with fewer errors.

The Kotlin programming language is a modern language that gives you more power for your everyday tasks. Kotlin is concise, safe, pragmatic, and focused on interoperability with Java code. It can be used almost everywhere Java is used today: for server-side development, Android apps, and much more. This course [...]

Convert an Android app from Java to Kotlin. In this course, Aaron Sarazan, Lead Software Engineer at Capital One and a leading advocate for Kotlin, demonstrates how to take a basic Android app in Java and convert it to Kotlin, teaching you key features of the Kotlin programming language [...]

Develop Feature-Rich Android Apps with the Kotlin Programming Language. Go beyond the basics of building an Android app with "Advanced Android with Kotlin". This course teaches you how to add a range of advanced features to your app, starting with best practices for using Android's notification [...]

Language fundamentals for developers. Learn the essentials of the Kotlin programming language from Kotlin experts at Google. Kotlin is a modern and concise JVM language that supports functional programming paradigms. Whether you’re a Java developer or a programmer in another object-oriented language, this course will teach you the essential [...]

This problem set is based on official Kotlin Koans, which are released under the MIT License.