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 square" + square.area()); System.out.println("area of disk" + disk.area()); System.out.println("perimeter of square" + square.perimeter()); 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()); } }