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Swift Programming Quiz for Begineers

What is a tuple in Swift?

A type of optional

A dictionary

A collection of multiple values grouped together

A fixed-size array

How do you declare an optional in Swift?

var name: String!

var name: String = nil

var name: String?

var name: Optional(String)

Which statement is used for error handling in Swift?

throw

try-catch

throw-catch

try

Which keyword is used to declare a constant in Swift?

let

const

var

static

What does `??` mean in Swift?

It unwraps an optional.

It checks for nil.

It is used for conditional checks.

It provides a default value for an optional.

What does the `guard` statement do in Swift?

Declares a loop.

Iterates over a sequence.

Ensures a condition is true or exits the current scope.

Ensures a condition is false.

What is Swift primarily used for?

iOS and macOS Development

Android Development

Web Development

Game Development

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

printf()

console.log()

println()

print()

How do you declare a function in Swift?

fn functionName() {}

function functionName() {}

def functionName() {}

func functionName() {}

What is the file extension for Swift files?

swft

sft

swift

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