Kotlin Programming MCQ for Competitive Exams, Interviews, and Certifications

A. A class that is used to represent data structures

B. A class that is used to create instances of a class

C. A class that is used to store constants

D. A class that is used to define a closed set of subclasses

A. Its another name for an abstract class

B. It represents restricted class hierarchies

C. It is used in every Kotlin program

D. None of above

A. A class that is used to represent data structures

B. A class that is used to perform database operations

C. A class that is used to store constants

D. A class that is used to handle exceptions

A. A function that is passed as an argument to another function

B. A class that is used to represent data structures

C. A type of variable in Kotlin

D. A keyword used to define classes

A. functionName()

B. call functionName

C. Function -> functionName

D. functionName

A. A binary operator used to perform mathematical operations

B. An operator used to compare two values

C. An operator used to check for null values

D. An operator used to perform type conversion

A. version 2.1

B. version 2.5

C. version 2.3

D. None of these

A. Kotlin can quickly call the Java code, while Java cannot access the code written in Kotlin.

B. While Kotlin executes on JVM, it cannot interoperate with Java.

C. Kotlin offers a compatibility layer for Java interoperability which comes with some runtime costs.

D. Kotlin can quickly call the Java code and vice versa.

A. A class that is defined within another class

B. A class that is defined within a function

C. A class that is defined within a package

D. A class that is defined outside of any other class or function

A. It's a scoping function that also executes a block of code

B. It runs a block of code and returns the object it was called on

C. It runs a block of code and returns the result

D. None of the above