Question

How to convert a number in a string to an array of int digits in Scala

Answer 1

object StringToIntArrayOfDigits {
  def apply(snumber: String): Array[Int] = {
    val digits = new Array[Int](snumber.length)

    for (i <- snumber.indices) {
      digits(i) = snumber.charAt(i).asDigit
    }

    digits
  }

  def main(args: Array[String]): Unit = {
    val snumber = "23089"
    
    val digits = StringToIntArrayOfDigits(snumber)

    digits.foreach(println(_))
  }
}



/*
run:

2
3
0
8
9

*/

 

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