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Swift Test

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Type

Programming Skills

Time

10 minutes

Level

Medium

Questions

12

About the Test

The Swift test is helpful for testing programming skills in the Swift language, developed by Apple to code iOS applications. It assesses the candidate’s knowledge of the basics and working with Swift, OOPs concepts, data types, and sorting functions.

The recruitment assessment test for the iOS programming language Swift evaluates the candidate’s ability to code with Swift and their general awareness of how the language works. It gauges the test taker’s aptitude for concepts exclusive to Swift, such as Collection Types, Tuples, Optionals, Protocols, Properties, and Key Paths. The test also assesses how candidates convert logic into executable code and their capacity to interpret code snippets & guess their output accurately.

The Swift recruitment test is beneficial for hiring an efficient programmer who possesses adequate knowledge of the Swift programming language and knows how to use it for creating functional mobile & web applications. It can be used to identify individuals with hands-on experience using Swift and the ability to think critically, understanding end-to-end requirements before writing codes.

This Swift test can be used to evaluate the candidate’s technical knowledge required for the job roles: Swift Developers, Senior iOS Developers, iOS Swift Developers, iOS Lead, etc. Owing to the robust framework of Swift, individuals with appropriate skills and practical coding experience using this language can help the software development process to run smoothly and successfully. This recruitment assessment helps identify such skilled developers who can create applications in suitable IDEs for platforms like iOS, macOS, Linux, and z/OS.

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Skills Measured

  • Working with Swift
  • OOPs concepts
  • Scala Basics
  • Data Types
  • Sorting
  • Basics

Roles

  • Mobile Developer
  • Data Scientist
  • DevOps Engineer
  • Full-Stack Developer

Recruitment for Swift

The pre-recruitment assessment test for Swift can effectively spot talented candidates with the required technical skills for developing software applications so that the soft skills can be gauged during the interview process.It assesses test takers on the following key sub-skills required for programming with Swift language.

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1

Working with Swift

Candidates are tested on how well-versed they are with the Swift language’s syntax, execution, and programming environment. The assessment gauges them on what working with Swift would entail, its coding complexities, and nuances.

2

OOPs concepts

The Swift language supports Object Oriented Programming. This test assesses the candidates on basic OOPs concepts like encapsulation, inheritance, and polymorphism. The test taker’s aptitude for classes, properties, methods, subscripts, initialization, and deinitialization is also gauged

3

Data Types

The knowledge that the candidate has about data types supported by Swift, viz. Int, String, Float, Double Float, Boolean, Characters, etc., are evaluated in the Swift assessment test. Their knack for applying different data types to write a working code is analyzed using questions about its concepts in this assessment.

4

Basics

The test taker’s aptitude to understand basic Swift codes and assess their outcomes is measured. Code snippets comprising a function that utilizes the fundamental concepts of the language are used to evaluate the candidate’s coding knowledge using Swift.

5

Sorting

Sorting is one of the basic but essential functionalities used while programming with any language. Swift’s sorting function, the Big O Notation, the different sorting algorithms such as Bubble sort, Insertion sort, Selection sort, Merge sort, and Quick sort, and how they work are analyzed in this assessment.

The test is created by a subject-matter expert

Testlify’s skill tests are designed by experienced SMEs (subject matter experts). We evaluate these experts based on specific metrics such as expertise, capability, and their market reputation. Prior to being published, each skill test is peer-reviewed by other experts and then calibrated based on insights derived from a significant number of test-takers who are well-versed in that skill area. Our inherent feedback systems and built-in algorithms enable our SMEs to refine our tests continually.

View sample score cards

Top five hard skills interview questions for Swift

1. Can you explain the difference between a value type and a reference type in Swift?
Why this Matters?

Understanding the difference between value types and reference types is crucial for writing efficient and bug-free code in Swift. It is also important to understand the implications of choosing one over the other.

What to listen for?

The candidate should be able to give a clear and concise explanation of the differences between value types and reference types, and should be able to provide examples of each. They should also be able to explain the performance implications of using one over the other.

2. How do you handle asynchronous operations in Swift?
Why this Matters?

Swift is a language that is designed to work well with asynchronous programming. The candidate should be able to demonstrate a good understanding of how to work with asynchronous operations in Swift.

What to listen for?

The candidate should be able to explain the various ways to handle asynchronous operations in Swift, such as using completion handlers, dispatch queues, or asynchronous programming with Combine. They should also be able to give examples of when to use each approach.

3. Can you explain the difference between a struct and a class in Swift?
Why this Matters?

Understanding the differences between a struct and a class is important for writing efficient and bug-free code in Swift. It is also important to understand the performance implications of choosing one over the other.

What to listen for?

The candidate should be able to explain the differences between a struct and a class, and should be able to give examples of when to use each. They should also be able to explain the performance implications of using one over the other.

4. How do you ensure code quality and maintainability in your Swift projects?
Why this Matters?

Writing maintainable and high-quality code is essential for long-term success in any programming project. The candidate should be able to demonstrate their ability to write code that is both maintainable and of high quality.

What to listen for?

The candidate should be able to explain their approach to writing maintainable and high-quality code in Swift. This might include things like following best practices, using design patterns, writing testable code, and using tools like SwiftLint to enforce code standards.

5. Can you give an example of how you have used Swift’s protocol-oriented programming features in a project?
Why this Matters?

Protocol-oriented programming is a powerful feature of Swift, and it is important for a Swift developer to be able to use it effectively.

What to listen for?

The candidate should be able to provide a clear example of how they have used protocol-oriented programming in a real-world project. They should be able to explain the benefits of using this approach, and should be able to show how it has improved the quality of their code. They should also be able to explain any challenges they faced while using this approach, and how they overcame them.

Frequently Asked Questions for Swift

A Swift assessment is used to evaluate the skills of candidates for mobile or desktop development roles. It tests a person’s knowledge and proficiency in the Swift programming language.

A Swift assessment can be used by technical recruiters and hiring managers to evaluate candidates’ specific skills and knowledge of the Swift programming language, including its basic syntax and language features, and the ability to build iOS or macOS applications using Swift and related frameworks.

  • Swift Developer
  • Software Developer
  • Senior iOS Developer
  • iOS Swift Developer
  • IOS Lead
  • Mobile Developer
  • Data Scientist
  • DevOps Engineer
  • Full-Stack Developer

  • Working with Swift
  • OOPs concepts
  • Scala Basics
  • Data Types
  • Sorting
  • Basics

A Swift developer’s responsibilities include designing and building iOS or macOS applications using Swift and related frameworks, collaborating with team members, debugging and troubleshooting issues, testing and debugging code, and staying up-to-date with the latest developments in mobile development technologies.

Frequently Asked Questions (FAQs)

Want to know more about Testlify? Here are answers to the most commonly asked questions about our company.

These are ready-made tests, existing in our test library, created by subject matter experts. We have 200+ such skills tests covering various skills from programming skills to DevOps, including Aptitude and Personality testing.

You can go to the ‘Test Library’ tab and search for tests from the Job Role or Test Type drop-down menu.

Currently, we do not offer any sample tests. However, when you select a test, there would be a few practice questions before the start of the actual test, which would give you a fair idea of how the entire test would look.

Our tests typically take between 25-30 minutes to complete.

In case you need to test for a unique skill-set or specialized experience, you can add your own questions and customize the test to suit your requirements.

We’ve put a lot of effort into ensuring a conducive test environment. A stable internet connection, an internet browser with cookies and Java-Script enabled is all that is required!
However, for a smooth test-taking process, we recommend the following browsers:
– Google Chrome
– Internet Expl
– Mozilla Firefox

Yes, our tests are compatible with almost all modern mobile devices (including tablets) that have a webcam installed.

Yes, our tests are EEOC (Equal Employment Opportunity Commission) compliant and are whetted by subject matter experts, thus having high reliability (test consistency) and validity (accuracy of the test).

Yes! We integrate with popular recruiting tools such as Greenhouse, Lever, GoodTime, and many more.

We are GDPR compliant and take data security very seriously. You have complete ownership of your data. All your data is safe and secure, and we do not expose it to any third party.

Testlify is an excellent tool for assessing candidates’ soft and hard skills. The founder and customer success team were helpful during onboarding and demonstrated a commitment to continuously improving the platform.
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Founder, ExpHire
Testlify’s integration with ATS makes it simple to incorporate into recruitment processes. Customizable test suites, open-ended questions, and qualifying questions streamline the candidate assessment process and improve collaboration with hiring managers. 
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 Founder, White
A must-have tool in any HR department! Well thought out a comprehensive platform that shortens the candidate selection time significantly.
Meir Shachar
CEO at PowerLinx
With Testlify, we were able to optimize our initial screening process by upwards of 75%.
We saved a tremendous amount
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President, Arch Advisory Group
Testlify has revolutionized our hiring process by streamlining the screening stage. It has saved us countless hours by allowing us to shortlist the right candidates.
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CEO at Sookshum Labs

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