Kotlin Beginner Quiz 5
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Quiz 5
1. What is the benefit of 'named arguments' in Kotlin?
Faster execution
Type safety
Readability and parameter order flexibility
2. How do you include an expression in a string template?
$expression
${expression}
@expression
3. Which keyword creates a range excluding the last element?
until
downTo
step
4. What is the primary use of an 'extension function'?
Extending the memory of a class
Adding methods to existing classes
Creating child classes
5. Which class type is used to represent a restricted class hierarchy?
data class
open class
sealed class
6. How do you define a custom setter for a property?
use function set()
use the set(value) keyword
mark property as mutable
7. Is Kotlin a statically or dynamically typed language?
Statically typed
Dynamically typed
Mixed type
8. What is the 'backing field' identifier inside a getter or setter?
this
field
it
9. Which class is used to store two related values?
Dual
Double
Pair
10. What does the 'internal' visibility modifier mean?
Visible inside the same module
Visible inside the same class
Visible inside the same package
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