Scala example source code file (unapplyArray.scala)

This example Scala source code file (unapplyArray.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

any, array, array, seq, seq, test, test, unit, unit

The Scala unapplyArray.scala source code

object Test {
  def main(args:Array[String]): Unit = {
    val z = Array(1,2,3,4)
    val zs: Seq[Int] = z
    val za: Any = z

/*
    Console.println("z  is arr[int]"+z.isInstanceOf[Array[int]])
    Console.println("zs is arr[int]"+zs.isInstanceOf[Array[int]])
    Console.println("za is arr[int]"+ za.isInstanceOf[Array[int]])

    Console.println("z  is seq[int]"+z.isInstanceOf[Seq[int]])
    Console.println("zs is seq[int]"+zs.isInstanceOf[Seq[int]])
    Console.println("za is seq[int]"+ za.isInstanceOf[Seq[int]])

    Console.println("z  is anyref"+z.isInstanceOf[AnyRef])

    Console.println("z   useq "+ Seq.unapplySeq(z))
    Console.println("zs  useq "+ Seq.unapplySeq(zs))
    Console.println("za  useq "+ Seq.unapplySeq(za))

    Console.println("z   aseq "+ Seq.unapplySeq(z))
    Console.println("zs  aseq "+ Seq.unapplySeq(zs))
    Console.println("za  aseq "+ Seq.unapplySeq(za))
*/
    val zl = zs match {
      case Seq(xs@_*) => xs.length
    }
    assert(zl == 4)
  }
}