Swift 5 Test

Test duration:

min

No. of questions:

Level of experience:

Expert

Swift 5 Test

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Swift 5 Assessment Test

Swift is a programming language developed by Apple Inc. for iOS, iPadOS, macOS, watchOS, tvOS, and Linux. Swift is designed to work with Apple's Cocoa and Cocoa touch framework, and the existing objective- C code is written for Apple products. Swift 5 is a new version with features like ABI stability (the binary equivalent of an API) and Multiple(of:), which is used to check if an integer is a multiple of another integer.

Swift 5 assessment test helps tech recruiters and hiring managers to assess candidates' iOS Swift 5 programming skills. This test is designed by experienced subject matter experts (SMEs) to evaluate and hire iOS Swift developers per industry standards.

Swift 5 assessment test helps to screen the candidates who possess traits as follows:

Ability to work with Swift 5 functions like assert statement, struct definition, return value, string manipulation, etc.
Understanding of code comprehension and working with the ABI feature
Proficient in Swift programming language with good knowledge of its ecosystem
Strong understanding of iOS SDK, Cocoa Touch framework
Experience of working with RESTful APIs to connect to back-end services

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How it works

Test Summary

This test has a powerful reporting feature that will help you get an instant result and share this result with your recruiting team. You can use our ready-to-use assessment or ask us to custom-make the skills assessment per your job description.

Swift 5 assessment may contain MCQs (Multiple Choice Questions), MAQs (Multiple Answer Questions), Fill in the Blanks, Whiteboard Questions, Audio/Video Questions, LogicBox (AI-based Pseudo-Coding Platform), Coding Simulators, True or False Questions, etc.

This Swift 5 Assessment Test is useful for hiring

Swift Developer
iOS Developer
Senior iOS Developer
iOS App Developer

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Useful for hiring

Swift Developer
iOS Developer
Senior iOS Developer
iOS App Developer

Test Duration

min

No. of Questions

Level of Expertise

Expert

Topics Covered

Assert Statement

Struct Definition

Variable Types

Return Value

String Manipulation

Access Control Keywords

Sample Question

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

Question type

Multiple Option

Topics covered

External and Internal Parameters

Difficulty

Hard

Question:

Swift 5 allows to write functions (methods) with parameters. Examine the following s function:

func s (for x : Int) -> Int {
return x <= 1 ? 1 : x * s (for : x - 2)
}

How do you call it to calculate s of 4 and store it in an immutable variable a? What is the value stored in a?

Options

let a = s (4) // 24 is stored in a
let a = s (x: 4) // 12 is stored in a
let a = s (for: 4) // 8 is stored in a
let a = s (_: 4) // 16 is stored in a
There is an error in function square because you may not define for: as a parameter. You need to put _ instead of it.