Kotlin — resources
roadmap.sh: https://roadmap.sh/kotlin
Books
- Kotlin in Action (Jemerov, Isakova) — written by the JetBrains team; the definitive language book.
- Atomic Kotlin (Eckel, Isakova) — incremental, exercise-driven path from basics to advanced features.
- Effective Kotlin (Marcin Moskała) — idiomatic best practices for writing clean, safe Kotlin.
- Kotlin Coroutines (Marcin Moskała) — focused, in-depth guide to coroutines and Flow.
Courses / practice
- Kotlin Documentation — the official, comprehensive language reference.
- Kotlin Koans — interactive exercises covering core language features.
- JetBrains Academy — Kotlin — guided, project-based Kotlin learning tracks.
- Kotlin Playground — run and experiment with Kotlin directly in the browser.