object SecondSmallestWordLength_Scala {
def secondSmallestWordLength(string: String): Int = {
val arr = string.split(" ")
if (arr.length < 2) {
return -1
}
val lengths = arr.map(_.length).sorted
lengths(1)
}
def main(args: Array[String]): Unit = {
val str = "c# java c++ python scala"
println(secondSmallestWordLength(str))
}
}
/*
run:
3
*/