Group Initialisation in Kotlin

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data class User(val name: String, var age: Int = 0, var website: String = "", val active: Boolean = true)

fun main(args: Array<String>) {
    val user1 = User("Marcos Placona")
    user1.age = 34
    user1.website = "https://www.placona.co.uk"
    println(user1)
    //User(name=Marcos Placona, age=34, website=https://www.placona.co.uk, active=true)


    println(User("RealKotlin").apply {
        age = 1
        website = "https://www.realkotlin.com"
    })
    //User(name=RealKotlin, age=1, website=https://www.realkotlin.com, active=true)
}