data class kotlin
data class User(val name: String, val age: Int) fun main(args: Array<String>) { val u1 = User("John", 29) // using copy function to create an object val u2 = u1.copy(name = "Randy") println("u1: name = ${u1.name}, name = ${u1.age}") println("u2: name = ${u2.name}, name = ${u2.age}") }