Tool
Kotlin
A modern, concise language for Android and the JVM
Learn Kotlin syntax, null safety, and classes.
8
Chapters
4
Practice formats
1
Self-paced
Curriculum
8 chapters, each with a tutorial, a live example, a quiz, an exercise, a challenge, and class practice.
- 1preview
Introduction to Kotlin
Conciseness, null safety, and running on the JVM.
- 2
Variables & Types
val vs var, and type inference.
- 3
Control Flow
if as an expression, when, and loops.
- 4
Functions
Default arguments and single-expression functions.
- 5
Classes & Objects
Data classes and primary constructors.
- 6
Null Safety
Safe calls, the Elvis operator, and !!
- 7
Collections
List, Map, and functional-style operations.
- 8
Coroutines Basics
Lightweight concurrency in Kotlin.