ShapesThing.java
package Shapes;
import shapes.SCircle;
import shapes.SSquare;

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("square="+square.toString());
        System.out.println("perimeter of square="+square.perimeter());
        System.out.println("square="+square.toString());
        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("disk="+disk.toString());
        System.out.println("perimeter of disk="+disk.perimeter());
        SSquare diamond = disk.inscribingSquare();
        System.out.println("daimond="+diamond.toString());
        System.out.println("area of diamond="+diamond.area());

    }
}