ShapesThings.java
package shapes;
import shapes.SSquare;
import shapes.SCircle;

// this program affords opportunities to explore the computational solutions to simple geometrical problems by means of the construction and use of basic shapes
public class ShapesThings {

    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());

    }
}