import java.io.PrintStream; public class Program { public static void main(String[] args){ PrintStream out = System.out; Circle c0 = new Cylinder(4,9); out.println(c0); _Rectangle r = new _Rectangle(2,7); out.println("\n"+r); _Point p = new Cylinder(8,6); Circle c = (Cylinder)p; c.setLocation(4,-3); out.println("\n"+c); } }