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Swift Programming Quiz for Begineers

This quiz has a collection of SWIFT Programming concept questions and objective type answers designed to test your knowledge of the programming language. Each Question is worth 1 point making total score of 20 as highest. You can see your current score at the bottom of quiz.

Which statement is used for error handling in Swift?

throw

try-catch

try

throw-catch

Which keyword is used to declare a constant in Swift?

let

const

var

static

What is Swift primarily used for?

Web Development

iOS and macOS Development

Android Development

Game Development

What does `??` mean in Swift?

It unwraps an optional.

It is used for conditional checks.

It provides a default value for an optional.

It checks for nil.

How do you declare an optional in Swift?

var name: String = nil

var name: String?

var name: Optional(String)

var name: String!

Which function is used to print to the console in Swift?

println()

console.log()

print()

printf()

What is the file extension for Swift files?

swift

swft

sft

What does the `guard` statement do in Swift?

Ensures a condition is false.

Ensures a condition is true or exits the current scope.

Iterates over a sequence.

Declares a loop.

How do you declare a function in Swift?

func functionName() {}

def functionName() {}

function functionName() {}

fn functionName() {}

What is a tuple in Swift?

A fixed-size array

A collection of multiple values grouped together

A dictionary

A type of optional

Your score is

The average score is 54%

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Featured Tips or Articles

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Essential Coding Standards and Best Practices for Clean Code

What Business Problems Solves in Low Level Design (LLD)

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