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Home>IT Tests>Questions>How to add a new element to a list of Kotlin data class

Question from the Kotlin test

How to add a new element to a list of Kotlin data class

Medium

Considering :

open class Animal
data class Cat(val name : String = "Kitty") : Animal()

The following code :

val cats: MutableList<Cat> = mutableListOf(Cat("Isidor"), Cat("Garfield"), Cat("Rogue"))
val animals: List<Animal> = cats
cats.add(Cat())
animals.forEach({ print(it) })
Author: W3D TeamStatus: PublishedQuestion passed 607 times
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