Sealed class in Kotlin

SealedClass.kt

sealed class Fruit(val name: String) {
    class Apple : Fruit("Apple")
    class Mango : Fruit("Mango")
}

class Pomegranate : Fruit("Pomegranate")

fun display(fruit: Fruit) {
    when (fruit) {
        is Fruit.Apple -> println("${fruit.name} is good for iron")
        is Fruit.Mango -> println("${fruit.name} is delicious")
        is Pomegranate -> println("${fruit.name} contains vit d")
    }
}