kotlin when statement code example
Example 1: kotlin when
fun numberTypeName(x: Number) = when(x) {
0 -> "Zero" // Equality check
in 1..4 -> "Four or less" // Range check
5, 6, 7 -> "Five to seven" // Multiple values
is Byte -> "Byte" // Type check
else -> "Some number"
}
Example 2: Kotlin when
val x = 3
when(x) {
3 -> println("yes")
8 -> println("no")
else -> println("maybe")
}
// when can also be used as an expression!
val y = when(x) {
3 -> "yes"
8 -> "no"
else -> "maybe"
}
println(y) // "yes"