Each member of the enum class contains an integer value that starts from 0, but Kotlin also allows us to assign a value of our own choice using a constructor: 

enum class Week(val value: Int) {
    MONDAY(2 ), TUESDAY(4), WEDNESDAY(6), THURSDAY(8), FRIDAY(10), SATURDAY(12), SUNDAY(14)
}

The Week enum class has a constructor with one integer property. Each member in the enum class is bound to provide an initial value:

fun main(args: Array<String>) {
     val week = Week.valueOf("TUESDAY")
     println("Item type: " + week)
     println("Name: " + week.name)
     println("Value: " + week.value)
}

Verify the output by assigning a different values of the week enum.

The output of the preceding example is as follows:

Item type: TUESDAY, Name: TUESDAY, Value: 4