Kotlin Programming MCQ for Competitive Exams, Interviews, and Certifications

A. // This is a comment

B. /* This is a comment */

C. # This is a comment

D. None of these

A. A generated copy(...) method, to create copies of instances

B. An auto-generated toString() method

C. Anto-generated hashCode() and equals() methods

D. Automatic conversion from/to JSON

A. val name = null

B. var name: String

C. val name: String

D. val name: String? = null

A. An object that is used to store constants

B. An object that is used to represent data structures

C. An object that is used to create instances of a class

D. An object that is used to define static members of a class

A. public

B. private

C. sealed

D. protected

A. primary constructor

B. secondary constructor

C. explicit constructor

D. implicit constructor

A. No

B. Yes

A. A variable that cannot change, read-only

B. A variable used for string interpolation

C. A variable that can be changed

D. None of these

A. Varargs are the parameters that enable the number of arguments sent to the function.

B. Varargs are a special kind of collection in Kotlin.

C. Varargs is a synonym for the primitives in Kotlin.

D. None of these

A. TRUE

B. FALSE