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Swift Programming Quiz for Begineers

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

console.log()

println()

print()

printf()

How do you declare an optional in Swift?

var name: String = nil

var name: Optional(String)

var name: String?

var name: String!

Which statement is used for error handling in Swift?

try

try-catch

throw-catch

throw

What does the `guard` statement do in Swift?

Ensures a condition is true or exits the current scope.

Declares a loop.

Iterates over a sequence.

Ensures a condition is false.

What is a tuple in Swift?

A fixed-size array

A dictionary

A collection of multiple values grouped together

A type of optional

Which keyword is used to declare a constant in Swift?

let

var

const

static

What is Swift primarily used for?

Web Development

Android Development

Game Development

iOS and macOS Development

What is the file extension for Swift files?

swft

swift

sft

How do you declare a function in Swift?

fn functionName() {}

def functionName() {}

func functionName() {}

function functionName() {}

What does `??` mean in Swift?

It provides a default value for an optional.

It checks for nil.

It is used for conditional checks.

It unwraps an optional.

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