HP3-LESSON9-Version2

What is the purpose of UITableViewDelegate and UITableViewDataSource in Swift?

• To manage user interactions and data display in a UITableView
• To handle networking requests
• To manage UI animations
• To create new view controllers

What is the role of @IBOutlet weak var tableView: UITableView! in the code?

• It creates a new UITableView instance
• It connects the table view in the storyboard to the code
• It declares a variable without initializing it
• It assigns a weak reference to another view controller

What type of data structure is listSound in the provided code?

• Dictionary
• Set
• Array
• Tuple

What is the correct method to return the number of rows in a UITableView section?

• func numberOfSections(in tableView: UITableView) -> Int
• func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int
• func numberOfRowsInSection(_ tableView: UITableView) -> Int
• func tableView(numberOfRowsInSection section: Int) -> Int

What function is responsible for creating and configuring each table view cell?

• viewDidLoad()
• didSelectRowAt indexPath:
• cellForRowAt indexPath:
• numberOfRowsInSection:

Which method is automatically called when the view is loaded into memory?

• viewDidLoad()
• viewWillAppear()
• viewDidAppear()
• init()

What is the file extension of a Swift source file?

• .sw
• .swift
• .swiftx
• .swi

What keyword is used to declare a variable in Swift that can be modified?

• let
• var
• const
• static

What happens if dequeueReusableCell(withIdentifier: "cell", for: indexPath) is called with an incorrect identifier?

• The app crashes
• A new cell is created automatically
• The app logs a warning but continues running
• The function returns nil

What is the purpose of do { ... } catch { ... } in the didSelectRowAt function?

• To execute asynchronous tasks
• To handle errors when initializing AVAudioPlayer
• To repeat code execution multiple times
• To validate the tableView selection