/*
Title: Enumeration of Constants in Kotlin
Example with and without explicit values
*/
enum class Color {
RED, // ordinal = 0
GREEN, // ordinal = 1
BLUE // ordinal = 2
}
// Enum WITH explicit values using constructor parameters
enum class Status(val code: Int) {
OK(1), // explicit value 1
WARNING(5), // explicit value 5
ERROR(6), // explicit value 6
CRITICAL(10) // explicit value 10
}
fun main() {
println("Enum without explicit values:")
println("RED ordinal = ${Color.RED.ordinal}")
println("GREEN ordinal = ${Color.GREEN.ordinal}")
println("BLUE ordinal = ${Color.BLUE.ordinal}")
println("\nEnum with explicit values:")
println("OK code = ${Status.OK.code}")
println("WARNING code = ${Status.WARNING.code}")
println("ERROR code = ${Status.ERROR.code}")
println("CRITICAL code = ${Status.CRITICAL.code}")
}
/*
run:
Enum without explicit values:
RED ordinal = 0
GREEN ordinal = 1
BLUE ordinal = 2
Enum with explicit values:
OK code = 1
WARNING code = 5
ERROR code = 6
CRITICAL code = 10
*/
