Search test library by skills or roles
⌘ K

Scala (Coding): Entry Level Algorithms Test

The Scala Coding Entry Level Algorithms Test evaluates a candidate's understanding of Scala programming and entry-level algorithms. It includes hands-on coding questions to assess practical Scala skills and MCQs to test knowledge of control structures collections functions recursion and basic algorithms. Ideal for junior and entry-level roles.

Covered skills:

  • Basic syntax and semantics
  • Control structures and loops
  • Collections and data structures
  • Functions and methods
  • Error handling and exceptions
  • Object-oriented programming
  • Pattern matching
  • Recursion
  • Functional programming principles
  • File I/O operations
  • Basic algorithms
  • Unit testing in Scala
Get started for free
Preview questions

About the Scala (Coding): Entry Level Algorithms Assessment Test


The Scala (Coding): Entry Level Algorithms Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

  • Proficient in Scala syntax and semantics
  • Capable of using control structures and loops to manage program flow
  • Adept in handling various collection types and data structures
  • Skillful in defining and invoking functions and methods
  • Able to efficiently handle exceptions and errors
  • Competent in object-oriented programming concepts
  • Able to employ pattern matching for robust data handling
  • Experienced in implementing recursive solutions
  • Understands functional programming principles
  • Capable of performing file I/O operations
  • Proficient in basic algorithms
  • Skilled in writing unit tests for Scala applications

1200+ customers in 80 countries


Use Adaface tests trusted by recruitment teams globally. Adaface skill assessments measure on-the-job skills of candidates, providing employers with an accurate tool for screening potential hires.

customers in 75 countries
Get started for free
Preview questions

Non-googleable questions


We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

These are just a small sample from our library of 15,000+ questions. The actual questions on this Scala (Coding): Entry Level Algorithms Test will be non-googleable.

🧐 Question

Medium

placeholder method
Solve
Review the following Scala code. “placeholder” is a placeholder function to be replaced with an actual Scala in-built method. 
 image
What should ‘placeholder’ be so that the a, b, c in the code evaluate to true?

Medium

Compilation Errors
Compilation Errors
Scala Syntax
Solve
Which lines in the following Scala code will lead to compilation errors?
 image

Easy

take and reduceLeft
List
String
Solve
What will the following Scala code print?
 image
🧐 Question🔧 Skill

Medium

placeholder method

2 mins

Scala
Solve

Medium

Compilation Errors
Compilation Errors
Scala Syntax

2 mins

Scala
Solve

Easy

take and reduceLeft
List
String

2 mins

Scala
Solve
🧐 Question🔧 Skill💪 Difficulty⌛ Time
placeholder method
Scala
Medium2 mins
Solve
Compilation Errors
Compilation Errors
Scala Syntax
Scala
Medium2 mins
Solve
take and reduceLeft
List
String
Scala
Easy2 mins
Solve
Get started for free
Preview questions
love bonito

With Adaface, we were able to optimise our initial screening process by upwards of 75%, freeing up precious time for both hiring managers and our talent acquisition team alike!

Brandon Lee, Head of People, Love, Bonito

Brandon
love bonito

It's very easy to share assessments with candidates and for candidates to use. We get good feedback from candidates about completing the tests. Adaface are very responsive and friendly to deal with.

Kirsty Wood, Human Resources, WillyWeather

Brandon
love bonito

We were able to close 106 positions in a record time of 45 days! Adaface enables us to conduct aptitude and psychometric assessments seamlessly. My hiring managers have never been happier with the quality of candidates shortlisted.

Amit Kataria, CHRO, Hanu

Brandon
love bonito

We evaluated several of their competitors and found Adaface to be the most compelling. Great library of questions that are designed to test for fit rather than memorization of algorithms.

Swayam Narain, CTO, Affable

Brandon

Why you should use Pre-employment Scala (Coding): Entry Level Algorithms Test?

The Scala (Coding): Entry Level Algorithms Test makes use of scenario-based questions to test for on-the-job skills as opposed to theoretical knowledge, ensuring that candidates who do well on this screening test have the relavant skills. The questions are designed to covered following on-the-job aspects:

  • Writing basic Scala syntax and data types
  • Implementing control structures and loops
  • Utilizing collections and data structures
  • Creating and using functions and methods
  • Handling exceptions and errors in Scala
  • Applying object-oriented programming concepts
  • Using pattern matching for data extraction
  • Implementing recursive algorithms
  • Applying functional programming principles
  • Performing basic file I/O operations

Once the test is sent to a candidate, the candidate receives a link in email to take the test. For each candidate, you will receive a detailed report with skills breakdown and benchmarks to shortlist the top candidates from your pool.

What topics are covered in the Scala (Coding): Entry Level Algorithms Test?

Basic syntax and semantics: Scala's syntax combines object-oriented and functional programming paradigms. It includes features like type inference, immutability, and pattern matching. Understanding these fundamentals is crucial for writing efficient and idiomatic Scala code.

Control structures and loops: Scala offers traditional control structures like if-else, while, and for loops. It also introduces powerful constructs such as for comprehensions and match expressions. Mastery of these elements enables developers to write concise and expressive code.

Collections and data structures: Scala provides a rich set of immutable and mutable collections. These include Lists, Sets, Maps, and Vectors, each with specific performance characteristics. Proficiency in choosing and manipulating appropriate data structures is essential for writing performant Scala applications.

Functions and methods: Functions are first-class citizens in Scala, supporting higher-order functions and closures. Methods are defined within classes and objects. This skill assessment evaluates the ability to create and use functions effectively, including currying and partial application.

Error handling and exceptions: Scala offers several mechanisms for handling errors, including try-catch blocks and the Either type. Understanding these concepts is vital for writing robust and fault-tolerant code. This skill measures the ability to implement proper error handling strategies.

Object-oriented programming: Scala supports OOP concepts like classes, traits, and inheritance. It introduces innovations like case classes and singleton objects. This skill evaluates the understanding of OOP principles and their implementation in Scala's unique ecosystem.

Pattern matching: Pattern matching is a powerful feature in Scala for decomposing data structures. It goes beyond simple switch statements, allowing complex matching on types, structures, and values. This skill assesses the ability to leverage pattern matching for concise and readable code.

Recursion: Recursion is a fundamental concept in functional programming. Scala optimizes tail-recursive functions, making them as efficient as loops. This skill measures the ability to implement and optimize recursive algorithms.

Functional programming principles: Scala embraces functional programming concepts like immutability, pure functions, and higher-order functions. Understanding these principles is crucial for writing clean, testable, and parallelizable code. This skill assesses the ability to apply functional programming paradigms effectively.

File I/O operations: Scala provides various libraries for file operations, including scala.io and java.nio. This skill evaluates the ability to read from and write to files efficiently, handle different file formats, and manage resources properly.

Basic algorithms: Implementation of fundamental algorithms in Scala tests problem-solving skills and language proficiency. This includes sorting, searching, and graph algorithms. The assessment focuses on the ability to translate algorithmic concepts into efficient Scala code.

Unit testing in Scala: Scala offers testing frameworks like ScalaTest and specs2. This skill measures the ability to write effective unit tests, use assertions, and implement test-driven development practices. Understanding testing principles ensures code reliability and maintainability.

Full list of covered topics

The actual topics of the questions in the final test will depend on your job description and requirements. However, here's a list of topics you can expect the questions for Scala (Coding): Entry Level Algorithms Test to be based on.

Syntax
Semantics
Control structures
Loops
Arrays
Lists
Sets
Maps
Tuples
Functions
Methods
Try Catch
Exceptions
Classes
Objects
Inheritance
Traits
Pattern matching
Case classes
Recursion
Tail recursion
Immutable data
Higher order functions
Anonymous functions
Lambdas
Closures
For comprehensions
Option type
Either type
Pattern guards
File reading
File writing
Streams
Algorithm implementation
Sorting algorithms
Searching algorithms
Time complexity
Unit tests
Test frameworks
ScalaTest
SBT
Build tools
REPL
Immutability
Declarative code
Pure functions
Side effects
Functional collections
Sequences
ScalaDocs
Type inference
Generics
Implicit class
Companion objects

What roles can I use the Scala (Coding): Entry Level Algorithms Test for?

  • Junior Scala Developer
  • Entry Level Software Engineer
  • Backend Developer
  • Functional Programmer
  • Software Developer
  • Junior Data Engineer
  • Junior DevOps Engineer
  • Junior Data Scientist
  • Entry Level Full Stack Developer
  • Scala Intern

How is the Scala (Coding): Entry Level Algorithms Test customized for senior candidates?

For intermediate/ experienced candidates, we customize the assessment questions to include advanced topics and increase the difficulty level of the questions. This might include adding questions on topics like

  • Designing and implementing efficient algorithms
  • Writing unit tests for Scala code
  • Optimizing Scala code for performance
  • Implementing advanced data structures
  • Utilizing higher-order functions and closures
  • Applying concurrent programming techniques
  • Integrating Scala with external libraries
  • Implementing domain-specific languages (DSLs)
  • Applying advanced pattern matching techniques
  • Optimizing memory usage in Scala applications

The coding question for experienced candidates will be of a higher difficulty level to evaluate more hands-on experience.

Try the most advanced candidate assessment platform

ChatGPT Protection

Non-googleable Questions

Web Proctoring

IP Proctoring

Webcam Proctoring

MCQ Questions

Coding Questions

Typing Questions

Personality Questions

Custom Questions

Ready-to-use Tests

Custom Tests

Custom Branding

Bulk Invites

Public Links

ATS Integrations

Multiple Question Sets

Custom API integrations

Role-based Access

Priority Support

GDPR Compliance

Screen candidates in 3 easy steps

Pick a test from over 500+ tests

The Adaface test library features 500+ tests to enable you to test candidates on all popular skills- everything from programming languages, software frameworks, devops, logical reasoning, abstract reasoning, critical thinking, fluid intelligence, content marketing, talent acquisition, customer service, accounting, product management, sales and more.

Invite your candidates with 2-clicks

Make informed hiring decisions

Get started for free
Preview questions

Have questions about the Scala (Coding): Entry Level Algorithms Hiring Test?

What is Scala (Coding): Entry Level Algorithms Test?

The Scala (Coding): Entry Level Algorithms Test is designed to evaluate entry-level programming skills in Scala. It is used by recruiters to assess candidates' abilities in basic syntax, control structures, functions, collections, and other foundational Scala concepts.

Can I combine Scala (Coding): Entry Level Algorithms Test with Python (Coding) questions?

Yes, recruiters can request a single custom test combining Scala and Python coding questions. For more details, check out our Python (Coding): Entry Level Algorithms Test.

What skills are evaluated in the Scala (Coding): Entry Level Algorithms Test?

The test assesses basic syntax and semantics, data types and variables, control structures, functions and methods, collections and arrays, pattern matching, exception handling, object-oriented concepts, immutable vs mutable collections, basic recursion, higher-order functions, and file I/O.

How to use Scala (Coding): Entry Level Algorithms Test in my hiring process?

Use this test at the beginning of your recruitment process as a pre-screening tool. Add a link to the assessment in your job post or directly invite candidates by email. Adaface helps you identify skilled candidates earlier and faster.

Can I test Scala and Java together in a test?

Yes, you can combine Scala and Java in a single test. This is recommended for assessing candidates' versatility in JVM languages. For more details, visit our Java & Scala Test.

Can I combine multiple skills into one custom assessment?

Yes, absolutely. Custom assessments are set up based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test.

Do you have any anti-cheating or proctoring features in place?

We have the following anti-cheating features in place:

  • Non-googleable questions
  • IP proctoring
  • Screen proctoring
  • Web proctoring
  • Webcam proctoring
  • Plagiarism detection
  • Secure browser
  • Copy paste protection

Read more about the proctoring features.

How do I interpret test scores?

The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. A skills assessment is optimized to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best candidate for the role. So the ideal way to use an assessment is to decide a threshold score (typically 55%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

What experience level can I use this test for?

Each Adaface assessment is customized to your job description/ ideal candidate persona (our subject matter experts will pick the right questions for your assessment from our library of 10000+ questions). This assessment can be customized for any experience level.

Does every candidate get the same questions?

Yes, it makes it much easier for you to compare candidates. Options for MCQ questions and the order of questions are randomized. We have anti-cheating/ proctoring features in place. In our enterprise plan, we also have the option to create multiple versions of the same assessment with questions of similar difficulty levels.

I'm a candidate. Can I try a practice test?

No. Unfortunately, we do not support practice tests at the moment. However, you can use our sample questions for practice.

What is the cost of using this test?

You can check out our pricing plans.

Can I get a free trial?

Yes, you can sign up for free and preview this test.

I just moved to a paid plan. How can I request a custom assessment?

Here is a quick guide on how to request a custom assessment on Adaface.

View sample scorecard


Along with scorecards that report the performance of the candidate in detail, you also receive a comparative analysis against the company average and industry standards.

View sample scorecard
customers across world
Join 1200+ companies in 80+ countries.
Try the most candidate friendly skills assessment tool today.
g2 badges
Ready to use the Adaface Scala (Coding): Entry Level Algorithms Test?
Ready to use the Adaface Scala (Coding): Entry Level Algorithms Test?
logo
40 min tests.
No trick questions.
Accurate shortlisting.
Terms Privacy Trust Guide
ada
Ada
● Online
Previous
Score: NA
Next
✖️