TraitsQuiz.scala

trait A {
  def action() = println("a")
}

trait B extends A {
  override def action() = println("b")
}

trait C {
  def action() = println("c")
}

trait D {
  def action() = println("d")
}

class E extends B with C with D {
  override def action = super.action()
}

class F extends B with C with A {
  override def action = super.action()
}

Quiz for FTTS students..
What's the result of (new E).action?
What's the result of (new F).action?