val i = 12345
   val f = 1234.5F
   val d = 1234.5D
   val arr = Array[Any](i,f,d)
   val anotherD = arr(0).asInstanceOf[Numeric].toDouble

scala>        val i = 12345
i: Int = 12345

scala>        val f = 1234.5F
f: Float = 1234.5

scala>        val d = 1234.5D
d: Double = 1234.5

scala>        val arr = Array[Any](i,f,d)
arr: Array[Any] = Array(12345, 1234.5, 1234.5)

scala>        val anotherD = arr(0).asInstanceOf[Numeric].toDouble
<console>:11: error: type Numeric takes type parameters
              val anotherD = arr(0).asInstanceOf[Numeric].toDouble