Beginner
Kotlin
Q31 / 100
How does Kotlin handle null safety compared to Java?
Correct! Well done.
Incorrect.
The correct answer is B) Kotlin types are non-nullable by default; null must be explicitly opted into with ?
B
Correct Answer
Kotlin types are non-nullable by default; null must be explicitly opted into with ?
Explanation
Kotlin's type system distinguishes nullable (String?) from non-nullable (String) at compile time, catching most NullPointerExceptions before runtime.
Progress
31/100