dynamic class instantiation in scala [using inheritance]

dynamicInstantiationInheritance.scala

class ABC {
  def foo(bar: String): String = s"wololo.... $bar"
}

class CDA extends ABC

object ABCRunner {

  def main(args: Array[String]) {
    val baz  = Class.forName("a.b.c.CDA").newInstance.asInstanceOf[ABC]
    println(baz.foo("boo"))
  }
}