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Swift Programming Quiz for Begineers

What is a tuple in Swift?

A dictionary

A type of optional

A fixed-size array

A collection of multiple values grouped together

How do you declare an optional in Swift?

var name: String = nil

var name: String!

var name: Optional(String)

var name: String?

Which statement is used for error handling in Swift?

try-catch

throw-catch

throw

try

What does the `guard` statement do in Swift?

Ensures a condition is false.

Iterates over a sequence.

Ensures a condition is true or exits the current scope.

Declares a loop.

What is the file extension for Swift files?

swift

sft

swft

How do you declare a function in Swift?

def functionName() {}

func functionName() {}

function functionName() {}

fn functionName() {}

What does `??` mean in Swift?

It unwraps an optional.

It checks for nil.

It provides a default value for an optional.

It is used for conditional checks.

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

print()

printf()

println()

console.log()

Which keyword is used to declare a constant in Swift?

var

static

const

let

What is Swift primarily used for?

Web Development

Game Development

Android Development

iOS and macOS Development

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Featured Tips or Articles

Best Practices for Developing Quality iOS Apps

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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