App Development with Swift Quiz 1

Which keyword should you use to define a method that
you can invoke Using an
Interface Builder control?

• func

• IBAction

• @IBOutlet

• @IBAction

When using a Switch statement , use the ______ keyword to mark code that should execute when no other case statement matches.

When was Swift first introduced?

• 2008

• 2010

• 2012

• 2014

What programming language did Swift replace as the primary language for iOS and macOS development?

• Objective-C 

• C++

• Java

• Python

What keyword is used to define a constant in Swift?

What is the keyboard shortcut to Run your project

• Command - B

• Command - R

• Command - .

• Command - Run

What keyword is used to define a variable in Swift?

Which of the following is a great environment for prototyping a swift code?

• Xcode

• Safari

• Terminal

• Playgrounds

In the following codes, what will be the output in the console?

let helloWorld = "Hello, world!"

let helloPlayground = "Hello, playground!"

let goodbyePlayground = "Gooodbye, playground!"

print ("Testing, testing, 1-2-3")

Select ALL that applies. Rules in naming constant and variables

• Names can begin with a number

• Names can't contain mathematical symbols

• Names can't contain spaces

• Names can't contain letters