Question

How to convert a character (flatten) matrix to a single string in Scala

Answer 1

object Main {

  def flattenMatrix(matrix: List[List[Char]]): String =
    matrix.flatten.mkString

  def main(args: Array[String]): Unit = {
    val matrix = List(
      List('H','e','l','l','o'),
      List(' ','W','o','r','l','d'),
      List('!')
    )

    val output = flattenMatrix(matrix)
    println(s"Flattened string: $output")
  }
}




/*
run:

Flattened string: Hello World!

*/

 

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