Chapter 5

  1. Which statement about reference types is false?

b) Reference types can always be subclassed.

  1. Which statement about value types is true?

c) Values types can conform to multiple protocols.

  1. What does heap allocation mean?

b) An object allocated on the heap is stored with a variable size in RAM memory.

  1. You should always use a struct for your data models. True or false?

b) False, it depends on whether your models have an identity.

  1. What keyword should you add to a function that mutates a property on a struct?

b) mutating.

  1. Which type of object is not allocated on the heap?

c) An enum.

  1. Which statement about the stack is true?

a) The stack has a fixed size.

  1. In which of the following cases would a reference type be a good choice?

a) When you want to create a new button in your app.

  1. In which of the following cases would a value type be a good choice?

b) When writing a networking object.

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