Apple Swift Coding II - Unit 1 - Lesson 1.1 - 1.3

What are the three primary goals of Swift?

• Accurate

• Expressive

• Fast

• Safe

Which of these are features of Swift that make it a "safe" language

• Error handling

• Optionals

• Type Inference

• Type Safety

Which of the following is a great environment for prototyping Swift Code?

• Playgrounds

• Safari

• Terminal

• Xcode

What will the following code print to the console?

let helloWorld = "Hello, world!"

let helloPlayground = "Hello, playground!"

let goodbyePlayground = "Goodbye, playground!"

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

• "Hello, world!"

• "Hello, playground!"

• "Goodbye, playground!"

• "Testing, testing, 1-2-3"

A Boolean represents true or false values

• True

• False

An Integer represents numbers requiring decimal points.

• True

• False

A Double represents whole number, or integers.

• True

• False

A string represents text.

• True

• False

Which of the following values would be best represented with a constant?

• Player Level

• Player Location

• Player name

• Player score

Which of the following would be best represented with a variable.

• Age

• Birthday

• Home address

• Name