public static void main(String[] args) { World.setVisible(true); // makes world visible World.setDelay(10); // speed of world is 10 UrRobot karel = new UrRobot(1, 1, East, 0); // new robot named karel UrRobot sarah = new UrRobot(3, 2, East, 0); squareDance(sarah); squareDance(karel); sarah.turnOff(); karel.turnOff(); }