ShapesThing.java
/* 
*This program explores the computation of simple geometric shapes by 
* constructing and using simple shapes. 
 */

package shapes;

public class ShapesThing {
    public static void main(String[] args){
        SSquare square = new SSquare(400);
        System.out.println("square = " + square.toString());
        System.out.println("Area of square = " + square.area());
        System.out.println("Perimeter of square = " + square.perimeter());
        System.out.println("Diagonal of square = " + square.diagonal());
        SCircle disk = square.inscribingCircle();
        System.out.println("disk = " + disk.toString());
        System.out.println("Area of disk = " + disk.area());
        System.out.println("Perimeter of disk = " + disk.perimeter());
        SSquare diamond = disk.inscribingSquare();
        System.out.println("diamond = " + diamond.toString());
        System.out.println("Area of diamond = " + diamond.area());
    }
}