juniorKotlin
What is Kotlin and why is it used?
Updated May 16, 2026
Short answer
Kotlin is a modern, statically typed language used for Android, backend, and multiplatform development.
Deep explanation
Kotlin is designed to be concise, null-safe, and fully interoperable with Java. It reduces boilerplate code and improves developer productivity while maintaining strong type safety.
Real-world example
Used in Android apps like Netflix for cleaner and safer codebases.
Common mistakes
- Assuming Kotlin is only for Android development.
Follow-up questions
- Is Kotlin fully interoperable with Java?
- Who developed Kotlin?