Kotlin

Kotlin online coding tests & interview questions

Kotlin
MIDDLE
Tested skills
Duration
40 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Kotlin

Programming task - Level: Medium

Kotlin | Precomputing Search Engine - Implement the optimized engine for the product search, based on the precomputation task to precompute the results for any set of the options.

Available in Team and Enterprise plans

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Android
SENIOR
Tested skills
Duration
45 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Android

Programming task - Level: Hard

Android | Vibrations API - Implement a method to play a fancy melody via the embedded haptic device to indicate the feature switch has been toggled.

Available in Team and Enterprise plans

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Java
JUNIOR
Tested skills
Duration
34 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Java, Spring Boot

Programming task - Level: Easy

Java | Spring Boot, Kotlin | Orders microservice - Implement a backbone of the RESTful miscroservice.

Available in Team and Enterprise plans

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Android
MIDDLE
Tested skills
Duration
39 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Android

Programming task - Level: Medium

Android | Kotlin | ConstraintLayout Animation - Implement layout elements animations using ConstraintLayout API.

Available in Team and Enterprise plans

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Android
SENIOR
Tested skills
Duration
75 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Android

Programming task - Level: Hard

Android | Kotlin | Image Fetch (KitKat + TLSv1.2) - Adjust the MainActivity implementation so that the OkHttp client supports TLS 1.2, even if it has been disabled by the Operating System.

Available in Team and Enterprise plans

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Kotlin
MIDDLE
Tested skills
Duration
70 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Kotlin

Programming task - Level: Medium

Kotlin | Orders Analyzer | Find an average ordered quantity for every weekday - Implement a method that will analyze orders dataset and return a map with total ordered quantity of a product for every weekday

Available in Team and Enterprise plans

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SENIOR
Tested skills
Duration
100 minutes max.
Evaluation
Automatic
Test overview

Programming task - Level: Hard

iOS | Swift | Conference App Senior - Implement a network service that is used to interact with the server.

Programming task - Level: Hard

Android | Async call from native to Java via JNI - Provide the missing JNI part of the native-Java communication combo that fulfills the certain requirements.

Available in Team and Enterprise plans

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