class Shape
{
  void draw()
   {
	   System.out.println("Shape") ;
   }
}

class Rectangle extends Shape
{
  void draw()
   {
	   System.out.println("Draw Rectangle.") ;
   }
}


class Circle extends Shape
{
  void draw()
   {
	   System.out.println( "Draw Circle.") ;
   }
}



public class Poly
{

    public static void main(String[] args)
    {
		Shape  shapeObject = new Rectangle() ;
		//Which method gets called.
		// the one for the Shape or the one for the
		//Rectangle
		shapeObject.draw() ;
    }

}