Take this quiz to test your knowledge and understanding of actors in Swift.
1.
How can an actor help prevent data races in Swift?
2.
Which of the following is a global actor in Swift?
3.
What is the significance of the await keyword when used with actors in Swift?
4.
What is the main advantage of using actors for concurrency in Swift?
5.
Which attribute in Swift marks types or functions to always execute on the main thread?
6.
How do actors differ from classes in Swift?
7.
Which of the following statements is correct about nonisolated methods in Swift actors?
8.
What is a data race in the context of concurrent programming?
9.
What is the effect of using 'await' when accessing actor properties?
10.
Which Swift feature should be used to isolate and manage mutable state in concurrent programming?
11.
What will happen if you try to access an actor property without 'await'?
12.
Which statement is true about the MainActor in Swift?
13.
When should the '@MainActor' attribute be used in Swift?
14.
What is a key benefit of using Swift actors in concurrent programming?
15.
What is the purpose of the 'nonisolated' keyword in Swift actors?
16.
Which of the following is NOT a characteristic of Swift actors?
17.
What is the default isolation level for methods in an actor?
18.
Which of the following is true about Swift actors?
19.
What keyword should be used when accessing actor properties that are mutable?
20.
Which method can be used to perform tasks on the main thread from within asynchronous code?
21.
What error will you encounter if you try to mutate a property marked with @MainActor from a background thread?
22.
How can you ensure a method is executed on the main actor?
23.
What is the role of the MainActor in Swift?
24.
How can you mark a method in an actor that does not access mutable state so it can be called without 'await'?
25.
Which keyword is used to call an actor method or access a property in Swift?
26.
What happens when you try to directly mutate an actor-isolated property from a non-isolated context?
27.
How do you declare an actor in Swift?
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