// Constructor values, immutable x, mutable y
class Point(val x : Int, var y : Int) {
  def getX() = x
  def getY() = y
  override def toString() = {
    "(" + x + "," + y + ")"
  }
}

// And ColorPoints...
class ColorPoint(val color : String, x : Int, y : Int) extends Point(x,y) {
  override def toString() = {
    super.toString() + " -- " + color
  }
}


object PointMain {
  def main(args : Array[String]) = {
    val p = new ColorPoint("red",0,0)
    p.y = 2
    println(p.toString())
  }
}