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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

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 a tuple in Swift?

A fixed-size array

A collection of multiple values grouped together

A dictionary

A type of optional

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.

Which keyword is used to declare a constant in Swift?

let

const

var

static

How do you declare a function in Swift?

func functionName() {}

def functionName() {}

function functionName() {}

fn functionName() {}

What is the file extension for Swift files?

swift

swft

sft

What is Swift primarily used for?

Web Development

iOS and macOS Development

Android Development

Game Development

Your score is

The average score is 54%

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Featured Tips or Articles

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Exploring Single Point Failures: Causes and Impacts

Essential Coding Standards and Best Practices for Clean Code

What Business Problems Solves in Low Level Design (LLD)

Guide To WordPress Coding Standards

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