딩코딩 : Computer Science 블로그

build.gradle의

plugins에

id 'kotlin-android-extensions'

를 추가하면 추가적인 자동완성기능을 이용할 수 있다.

var season = 3
    when(season){
        1 -> println("Spring")
        2 -> println("Summer")
        3 -> {
            println("Fall")
            println("Autumn")
        }
        4 -> println("Winter")
    }

    var month = 1
    when(month) {
        in 3..5 -> println("Spring")
        in 6..8 -> println("Summer")
        in 9..11 -> println("Fall")
        12,1,2 -> println("Winter")
        else -> println("Invalid Season")
    }

    var age = 30
    when(age){
        !in 0..20 -> println("now you may drink in the US")
        in 18..20 -> println("you may vote now")
        16,17 -> println("you may drive now")
        else -> println("you're too young")
    }

    var x : Any = "13.37f"
    when(x){
        is Int -> println("$x is an Int")
        is Double -> println("$x is not a Double")
        is String -> println("$x is a String")
        else -> println("$x is none of the above")
    }