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What do you know about companion object?
What do you know about functional interfaces?
What do you know about operator overloading?
What do you know about type aliases?
What do you know about sealed classes and interfaces?
What is enum?
What's difference between `launch` and `async`?
Kotlin generics
Describe nullability and null safety
What do you know about extensions?
What is CoroutineScope and how is that different from CoroutineContext?
What do you know about StateFlow and SharedFlow?
JvmStatic and JvmField annotations
Code questions Kotlin
What is the difference between “*” and “Any” in generics
JvmOverloads annotation
What do you know about delegated properties
Kotlin questions