Kotlin Online Test

Candidates Assessed


Organizations Served


iMocha's Kotlin online test is the ideal pre-hire test for recruiters and hiring managers to assess candidates objectively. Kotlin skills test is useful for hiring job roles like Android Kotlin Developer, Android Developer- Kotlin, Java Developer, Mobile Developer. Our Kotlin developer test helps recruiters to increases interview-to-selection ratio by 62%.

About Kotlin Online Test

Kotlin is known as a programming language that was introduced by JetBrains, the official designer of the most intelligent Java IDE, named Intellij IDEA. Kotlin is called a cross-platform, statically typed, general-purpose programming language with type inference. Currently, the most strongly supported JVM language in the Android ecosystem—aside from Java—is Kotlin. Kotlin language is designed to interoperate fully with Java platform and the JVM version of its standard library mainly depends on the Java Class Library. Kotlin also uses libraries for Android and browsers.  
Kotlin online test on Kotlin 1.3 M2 helps recruiters & hiring managers to assess candidate’s Kotlin programming skills. Kotlin skills test is designed by experienced subject matter experts (SMEs) to evaluate and hire Kotlin developer as per the industry standards. 

Why use iMocha’s Kotlin online test? 
This Kotlin online test helps employers in many ways, including hiring a job-fit candidate within a short period, taking unbiased employee performance appraisal decisions and reducing hassle in mass recruitment. You can reduce hiring time up to 40% with Kotlin skills test.

Are you a jobseeker looking to sharpen your skills?

Test Summary

Kotlin developer test helps to screen the candidates who possess traits as follows:    

  • Proficient with Kotlin programming language 

  • Strong knowledge of Android SDK, different versions of Android 

  • Experience and knowledge of developing Apps for the Android OS 

  • Strong knowledge of Android UI design principles, patterns, and best practices 

You can also request us to create a customized test for the latest version of Kotlin. 
Recruiters can use intelligent & powerful Test Insights feature that will help to identify job fit candidates more accurately with score distribution & section analysis features. 
This test is designed considering EEOC guidelines; it will help you assess & hire diverse talent without any bias. 
This test may contain MCQs (Multiple Choice Questions), MAQs (Multiple Answer Questions), Fill in the Blanks, Whiteboard Questions, Audio / Video Questions, AI-LogicBox (Pseudo-Coding Platform), Coding Simulators, True or False Questions, etc.   

Test Duration: 45 minutes

No. of Questions: 21

Level of Expertise: Entry/Mid/Senior

Useful for hiring

  • Android Kotlin Devloper
  • Android Developer - Java / Kotlin
  • Java Developer
  • Mobile Developer

Topics Covered

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Compilation variable

 Our Kotlin online test helps recruiters and hiring managers to evaluate candidate's knowledge about variables in Kotlin by which memory is allocated to store data 

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When Expression

 iMocha’s Kotlin skills assessment test evaluates candidate’s knowledge about expressions used in Kotlin, which can be used as statement or as expression 

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Type Casting

 This test evaluates candidate’s ability of working with type casting, in which one data type can be converted into another  

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Exception in Kotlin

 This test helps recruiters to assess the candidate’s understanding about handling runtime problems which may occur in program and results in program termination 

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Logical Operator

 This test evaluates candidate’s knowledge of logical operators which returns Boolean values such as true or false 

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Control statement

 Our test assesses candidate’s working ability with control statements in Kotlin where, these statements define which statement to be executed next 

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Access Modifier

 This test assesses candidates' knowledge about access modifiers which are used to set visibility of classes, interfaces, variables, methods, constructors, etc 

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Lambda expression

 Our test evaluates candidate’s ability of working with lambda expressions which is a small piece of code that passes to other functions

Sample Questions

Choose from our 100,000+ question library or add your own questions to make powerful custom tests

Question types:

Multiple Option





Q 1. Inheritance is one of the most important features of the object-oriented programming paradigm. With its use, a programmer may create a class from an existing one. Inheritance needs to be implemented in Kotlin and the base class is Person whose first line definition is:

*1* class Person (id : Int) { ...

What must be put in *1* so that inheritance works?

Question types:

Multiple Option





Q 2. Kotlin allows asynchronism by the use of Coroutines. A Coroutine is an asynchronous code that runs in a separated thread. For instance:

import kotlinx.coroutines.*

fun main() {
    GlobalScope.launch {
    println ("0")
    println("1, 2, 3")
    println("4, 5, 6")

What is printed on the console output after the code above is executed?
01, 2, 34, 5, 69
4, 5, 69, 01, 2, 3
4, 5, 60, 1, 2, 39
04, 5, 61, 2, 39
1, 2, 30, 4, 5, 69

Sample Report

View Full Report . . .

Skill wise performance report by iMocha

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You can customize this test by

difficulty level
Setting difficulty level of test      

Choose easy, medium or hard questions from our skill libraries to assess candidates of different experience levels.                       

multiple skills
Combining multiple skills into one test

Add multiple skills in a single test to create an effective assessment. Assess multiple skills together.                                              

adding own skill
Adding your own questions to the test

Add, edit or bulk upload your own coding questions, MCQ, whiteboarding questions & more.                       

tailor made test
Requesting a tailor-made test                  

Get a tailored assessment created with the help of our subject matter experts to ensure effective screening.

Trusted By

Christoph, e-Zest GmbH
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“Our recruitment team loves iMocha especially for their skill assessments, simulators, and friendly support.”

Christoph, e-Zest GmbH

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