Language
Kotlin
Used alongside Java for concise, null-safe Spring Boot services.
1 / 9 done — updated as I actually learn each topic.
Roadmap checklist
Beginner
- Null safety & syntax
- Data classes & sealed classes
- Extension functions
Intermediate
- Coroutines basics
- Collections & functional operators
- Interop with Java
Advanced
- Flow & structured concurrency
- DSL design
- Multiplatform basics
Roadmap graph
Null safety & syntax
2
Data classes & sealed classes
3
Extension functions
4
Coroutines basics
5
Collections & functional operators
6
Interop with Java
7
Flow & structured concurrency
8
DSL design
9
Multiplatform basics