Innovative Kotlin Test - 78+ MCQs: Kotlin test: Evaluate Your Programming Skills with Kotlin Questions and Answers

1. Which collection type is immutable in Kotlin?

List

MutableList

Array

Set

2. What is the purpose of the 'forEach' function in Kotlin?

To iterate over a range of values

To perform a case-insensitive comparison

To iterate over elements of a collection

To apply a function to each element of a collection

3. What is the purpose of the 'noinline' modifier in Kotlin?

To prevent inlining of a function

To mark a function as non-nullable

To enforce immutability for a variable

To specify the return type of a function

4. What is the purpose of the 'expect' keyword in Kotlin?

To define expected behavior for a function

To specify the return type of a function

To declare external declarations for platform-specific code

To create conditional expressions

5. In Kotlin, what is the 'typealias' keyword used for?

To define a type alias for a class

To specify the data type of a variable

To create a shortcut for a longer type

To declare a type with aliasing behavior

6. What is the purpose of the 'first' function in Kotlin?

To specify the first element of a collection

To apply a function to the first element of a collection

To retrieve the first element that matches a predicate

To create a new collection with the first element

7. In Kotlin, what is the 'getter' keyword used for?

To specify the visibility modifier

To define the getter function for a property

To declare external declarations for platform-specific code

To create a lazy property

8. In Kotlin, what is the purpose of the 'let' extension function?

To create an extension function for nullable types

To handle program initialization

To apply a function to the result of a nullable expression

To define a lambda expression

9. In Kotlin, what is the purpose of the 'inline' modifier for functions?

To specify that a function should be inlined during compilation

To declare a function as internal

To define a function with default parameters

To enforce immutability for a function

10. What is the purpose of the 'by lazy' keyword in Kotlin?

To specify lazy loading for classes

To create a lazy property that is computed the first time it is accessed

To declare external declarations for platform-specific code

To define the priority of operators

Kotlin MCQ Test 5