```class Jiky { val id: Int init { ...
# announcements
e
Copy code
class Jiky {

    val id: Int

    init {
        id = nextId++
    }

    companion object {
        var nextId = 1
    }
}
fun main(args: Array<String>) {

    Jiky()
    Jiky()
    println("result y =${Jiky().id}")

}