//Mutable fields x and y, accessor methods, overriding a method
class Point {
  var x = 0;
  var y = 0;
  def getX() = x;
  def getY() = y;
  override def toString() = {
    "(" + x + "," + y + ")";
  }
}

object PointMain1 {
  def main(args : Array[String]) = {
    val p = new Point();
    println(p.toString());
    p.x = 3;
    println(p.toString());
  }
}