Welcome to our tour of Kotlin!

Each chapter in this tour contains:

• Theory to introduce key concepts of the language with examples.

• Practice with exercises to test your understanding of what you have learned.

• Solutions for your reference.

In this tour you will learn about:

• Variables

• Basic types

• Collections

• Control flow

• Functions

• Classes

• Null safety

To have the best experience, we recommend that you read through these chapters in order. But if you want, you can choose which chapters you want to read.

Ready to go?