Kotlin Intermediate
Level up from Kotlin Fundamentals. Data classes, sealed classes, extension functions, scope functions, null safety, collections, smart casts. The features that make Kotlin feel modern after Java.
intermediate9 lessons5 chapters9 graded exercisesKotlin
No sign-up needed for lesson 1 · certificate on completion · sign up to save progress
What you’ll be able to do
Chapter by chapter. Every lesson ends in a graded exercise.
- Modern Type System
- Idiomatic Kotlin
- Null Safety in Practice
- Functional Patterns
- Coroutines and Delegation
Taught in Kotlin, graded on a real executor.
Curriculum
5 chapters, 9 lessons. Each lesson is a short read and a graded exercise.
- 1Data ClassesRead · exercise
- 2Sealed ClassesRead · exercise