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Swift Programming Quiz for Begineers

What is Swift primarily used for?

Android Development

iOS and macOS Development

Game Development

Web Development

What is the file extension for Swift files?

swift

swft

sft

Which keyword is used to declare a constant in Swift?

var

let

const

static

How do you declare an optional in Swift?

var name: String!

var name: Optional(String)

var name: String = nil

var name: String?

What is a tuple in Swift?

A dictionary

A fixed-size array

A collection of multiple values grouped together

A type of optional

How do you declare a function in Swift?

func functionName() {}

def functionName() {}

function functionName() {}

fn functionName() {}

What does the `guard` statement do in Swift?

Declares a loop.

Ensures a condition is true or exits the current scope.

Iterates over a sequence.

Ensures a condition is false.

What does `??` mean in Swift?

It provides a default value for an optional.

It is used for conditional checks.

It checks for nil.

It unwraps an optional.

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

console.log()

println()

print()

printf()

Which statement is used for error handling in Swift?

try-catch

try

throw-catch

throw

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