CONDITIONAL: IF

// CONDITIONAL IF
import java.util.Scanner

fun main() {
    var a: Double; var b: Double
    var c: Double; var big: Double

    var entry = Scanner(System.`in`)
    println("Select the highest number: ")

    print("1st number = ")
    a = entry.nextDouble()

    print("2nd number = ")
    b = entry.nextDouble()

    print("3rd number = ")
    c = entry.nextDouble()

    if (a > b && a > c) {
        big = a
        println("Highest: $big")
    } else if (b > a && b > c) {
        big = b
        println("Highest: $big")
    } else {
        big = c
        println("highest: $big")
    }


// TERNARY
// IF
    var result = if (a > b) "$a higher than $b" else "$b higher than $a"
    println(result)

    // WHEN
    var results = when (a > b) {
        true -> "   $a higher than $b"
        false -> "   $b higher-than $a"
    }
    println(results)

    // OTHER
    // ELVIS
    var z: Double? = null
    var num_result = if (z != null) z else "Default: 1"
    println(num_result)

    // WHEN (LIKE SWITCH CASE)
    var result_num = when (z) {
        null -> "Default: 2"
        else -> z
    }
    print(result_num)

    // OTHER
    var just_result = z ?: "Default: 3"
}