Job offersCompaniesTestsBlogI'm an employerSign upLog in
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

Hard

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 570 times
Edit
2
Community EvaluationsNo one has reviewed this question yet, be the first!
Similar Questions
2
Print the value of a nullable string in Kotlin
5
Kotlin: Compile the following code and see the error.
5
Write a function that returns the maximum of two integers in Kotlin
2
Create a data class with a vip property implementing the Human interface
9
How to flatten a list of lists in Kotlin
3
Write a Kotlin program that evaluates an arithmetic expression.
2
Concatenate two strings in Kotlin