Apple Academy Indonesia Quiz

What is the output of the following code?

Swift

let age = 30

print("My age is \(age)")

• My age is age

• My age is 30

• My age is (age)

• Error

What is the purpose of the Optional type in Swift?

• To represent a value that might be missing.

• To store multiple values in a single variable.

• To define a constant value.

• To create a loop.

Which keyword is used to define a function in Swift?

• method

• function

• func

• define

What is the purpose of the guard statement in Swift?

• To handle errors.

• To create a loop.

• To define a function.

• • To check for a condition and exit early if it's not met.

What is the name of the design pattern used to notify objects about changes in another object?

• Singleton

• Delegate

• Observer

• Factory

Explain the concept of Grand Central Dispatch (GCD) and how it helps in iOS development.

• GCD is a framework for managing concurrent operations by distributing them to different queues, which helps improve app responsiveness and performance.

• GCD is a way to store data in a key-value format, making it easy to access and retrieve information.

• GCD is a networking library that simplifies making API calls and handling network requests.

• GCD is a UI framework that helps create complex animations and transitions.

Berapakah kode pos dari gedung apple developer academy?

• 15343

• 15345

• 13545

• 15435

Which of these celebrities has NEVER appeared in an Apple commercial?

• John Travolta

• Justin Timberlake

• Taylor Swift

• Bill Gates