//
//	Driver for two classes and one interface
//	InterDemo.java
//
//	p.615 - p.616

public class InterDemo
{
	// display method, p.615
	public static void display(Measurable fig)
	{
		double peri = fig.getPerimeter();
		double area = fig.getArea();
		System.out.println("Perimeter = " + peri + "; area = " + area);
	}

	public static void main(String[] args)
	{
		// p.616
		Measurable box = new Rectangle(5.0, 5.0);
		Measurable disc = new Circle(5.0);

		display(box);
		display(disc);

		System.out.println("\n\nDone.\n\n");
	}
}