object CalculateGCDOfTwoNumbers_Scala {
def gcd(a: Int, b: Int): Int = {
var gcd = 0
var i = if (a < b) a else b
while (i > 0) {
if (a % i == 0 && b % i == 0) {
gcd = i
return gcd
}
i -= 1
}
gcd
}
def main(args: Array[String]): Unit = {
val a = 12
val b = 20
println(s"The GCD (greatest common divisor) of $a and $b is: ${gcd(a, b)}")
}
}
/*
run:
The GCD (greatest common divisor) of 12 and 20 is: 4
*/