public class ModelX extends Car { boolean autopilot = false; public void drive switchAutopilotOn() { autoPilot = true; System.out.println("Autopilot is switched on"); } public void drive switchAutopilotOff() { autoPilot = false; System.out.println("Autopilot is switched off"); } public String returnCarModel() { return "car model is Modelx"; } }