Question

How to get the difference between two arrays in Scala

Answer 1

object SetDifference {
  def main(args: Array[String]): Unit = {
    val array1 = Array("c#", "c", "c++", "java", "python", "vb", "scala")
    val array2 = Array("rust", "c", "c++", "go", "python", "nodejs")

    val set1 = array1.toSet
    val result = array2.filterNot(set1.contains)

    println(result.mkString(" "))
  }
}

   
   
/*
run:

rust go nodejs
 
*/

 

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