mapOf
Returns an immutable map, mapping only the specified key to the specified value.
The returned map is serializable.
Since Kotlin
1.0Samples
import kotlin.test.*
import java.util.*
fun main() {
//sampleStart
val map = mapOf(1 to "x", 2 to "y", -1 to "zz")
println(map) // {1=x, 2=y, -1=zz}
//sampleEnd
}