Data class in Kotlin

Classes.kt

data class Character(val name: String, val age: Int)

fun main() {
    val mickeyMouse  = Character("Mickey Mouse", 82)
    val mickeyMouseToday = mickeyMouse.copy(age = 83)

    // destructuring declarations
    val (name, age) = mickeyMouseToday
    println("$name, $age years of age")

    mickeyMouseToday.component1() // => name
    mickeyMouseToday.component2() // => age
}