public class Shape {
	public double getArea(){ return(0.0); }
	public double getPerimeter(){ return(0.0); }

	/* Override the toString method of Object
	 * Return a string representation of this
	 * Note: The search for the method to execute begins
	 *	at the class of the instance and works it's way towards
	 * 	Object (the root of the class hierarchy).
	 */

	public String toString(){
		String s="area= "+getArea()+" perimeter="+getPerimeter();
		return(s);
	}
}