A focused practice platform for competitive-exam MCQs, subject wise, topic wise practice, and current affairs revision.

Exams

SSC CGL
UPSC CSE
IBPS PO
RRB NTPC
CDS

Subjects

Mathematics
Physics
General Knowledge
English
Reasoning

Resources

Current Affairs
Search MCQs
Practice Sets

Company

About Us
Contact
Privacy Policy
Terms of Use
Disclaimer
Copyright

Practice library for exams, subjects, and daily revision. For learning purposes only.

© 2026 ObjectiveMcq.ComAll rights reserved

ObjectiveMcq

Print Protected

Printing this content is disabled

This page is protected for print. Use the website to view the content.

What is a key characteristic of Kotlin collections? - Practice - ObjectiveMcq

HomePracticeKotlinProgrammingWhat is a key characteristic of Kot...

Programming KotlinMedium

What is a key characteristic of Kotlin collections?

Correct Answer: B — Kotlin separates mutable and immutable collections

Kotlin distinguishes between mutable (MutableList, MutableSet) and immutable (List, Set) collections, giving developers more control over data mutability.

Related Practice

What is the purpose of the is keyword in Kotlin?
Which Kotlin keyword is used to import packages or classes?
What is the default return type of a Kotlin function that does not return anything?
How can you create a single abstract method (SAM) interface in Kotlin?
What is the default visibility modifier for classes and functions in Kotlin?
Which of the following is true about extension functions in Kotlin?
What is throw in Kotlin?
What is the filter() function in Kotlin?