Constant and Variable

Declaring

Swift

let constant = 10
var variable = 0

Kotlin

val constant = 10
var variable = 0

Type Annotations

Swift

var welcomeMessage: String
welcomeMessage = "👋 Hello"

var anotherWelcomeMessage: String = "👋 Hi"

Kotlin

var welcomeMessage: String
welcomeMessage = "👋 Hello"

var anotherWelcomeMessage: String = "👋 Hi"