Struct declaration syntax in Swift - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare a struct named Person.

Swift

struct [1] {
    var name: String
}

Drag options to blanks, or click blank then click option'

Aperson

Bfunc

Cclass

DPerson

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase for struct name.

Using keywords like class or func instead of a name.

The keyword struct is followed by the struct name, which should start with a capital letter by convention. Here, Person is the correct struct name.

2fill in blank

medium

Complete the code to add an integer property called age to the struct.

Swift

struct Person {
    var name: String
    var [1]: Int
}

Drag options to blanks, or click blank then click option'

Aage

BAge

Cnumber

Dyears

Attempts:

3 left

💡 Hint

Common Mistakes

Using uppercase for property name.

Using unrelated names like years or number.

The property name should be age in lowercase to follow Swift naming conventions.

3fill in blank

hard

Fix the error in the struct declaration by completing the missing keyword.

Swift

[1] Person {
    var name: String
    var age: Int
}

Drag options to blanks, or click blank then click option'

Aclass

Bstruct

Cfunc

Dvar

Attempts:

3 left

💡 Hint

Common Mistakes

Using class instead of struct.

Omitting the keyword entirely.

The keyword struct is required to declare a struct in Swift.

4fill in blank

hard

Fill both blanks to declare a struct with a method that returns a greeting.

Swift

struct Person {
    var name: String
    func [1]() -> String {
        return "Hello, \(self.[2])!"
    }
}

Drag options to blanks, or click blank then click option'

Agreet

Bname

CsayHello

Dage

Attempts:

3 left

💡 Hint

Common Mistakes

Using a method name that doesn't match the greeting purpose.

Referencing a property that doesn't exist.

The method name is greet and it uses the property name to return a greeting.

5fill in blank

hard

Fill all three blanks to declare a struct with a computed property that returns a description.

Swift

struct Person {
    var name: String
    var age: Int
    var [1]: String {
        return "\(self.[2]) is \(self.[3]) years old."
    }
}

Drag options to blanks, or click blank then click option'

Adescription

Bname

Cage

Dgreeting

Attempts:

3 left

💡 Hint

Common Mistakes

Using a wrong property name for the computed property.

Mixing up property names inside the string.

The computed property is named description and it returns a string using the name and age properties.