09_ranges.kt

/*
* Explore Ranges
* */
fun main(args: Array<String>) {

    var r1 = 1..5
    // This range contains number 1, 2, 3, 4, 5

    val r2 = 5 downTo 1
    // This range contains number 5, 4, 3, 2, 1

    val r3 = 5 downTo 1 step 2
    // This range contains number 5, 3, 1

    val r4 = 'a'..'z'
    // This range contains the values from "a", "b", "c" . . . "z"

    var isPresent = 'c' in r4

    var countDown = 10.downTo(1)
    // This range contains number 10, 9, 8, 7, 6, 5, 4, 3, 2, 1

    var moveUp = 1.rangeTo(10)
    // This range contains number 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
    
}