Apple Academy Indonesia Quiz
Authored by reyner subrata
Information Technology (IT)
Professional Development
Used 34+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
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
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
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.
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which keyword is used to define a function in Swift?
method
function
func
define
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
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.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the name of the design pattern used to notify objects about changes in another object?
Singleton
Delegate
Observer
Factory
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah kode pos dari gedung apple developer academy?
15343
15345
13545
15435
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