public static void main(String[] args) { Fan fan1 = new Fan(); // Set value (Input) fan1.setSpeed(Fan.FAST); fan1.setOn(true); fan1.setRadius(10.0); fan1.setColor("yellow"); // Get value (Output) System.out.println(fan1); // System.out.println("Fan speed: "+fan1.getSpeed()+ "\nRadius: "+fan1.getRadius()+ "\nColor: // "+fan1.getColor()+"\n"); Fan fan2 = new Fan(); // Set value (Input) fan2.setSpeed(Fan.MEDIUM); fan2.setOn(false); fan2.setRadius(5.0); fan2.setColor("blue"); // Get value (Output) System.out.println("\n"); System.out.println(fan2); // Fan2 akan display what is inside toString() // System.out.println("Fan speed: "+fan2.getSpeed()+ "\nRadius: "+fan2.getRadius()+ "\nColor: // "+fan2.getColor()); }