這是一個JAVA語言寫的多代理人程式用來模擬飛機起飛或是降落的程式

				package agents;
				
				import java.util.*;
				
				import world.*;
				import base.*;
				import interfaces.*;
				
				public class ClearanceDeliveryAgent extends Agent implements ClearanceDeliveryInterface {
				
						List strips;
						Tower tower;
						String name;
				
						public ClearanceDeliveryAgent(String newname, Tower newtower) {
							super();
							name  = newname;
							tower = newtower;
							strips = new ArrayList();
						}
				
						/* Messages
						 * Takeoff / Landing Scenario
						 *
						 */
				
						// Take off scenario
						public void msgNewDepartingFlight(Plane plane, String callNumber, Runway runway, Gate gate, String destination, PilotInterface p) {
							print("Received msgNewDepartingFlight");
							Strip strip = new Strip(callNumber);
							strip.runway = runway;
							strip.gate = gate;
							strip.cd_flight_state = Strip.CDFlightState.NO_ACTION;
							strips.add(strip);
							print("New strip: " + strip.toString());
							stateChanged();
						}
						public void msgRequestingClearance(String callNumber, Gate gate) {
							print("Received msgRequestingClearance");
							Strip tempstrip;
							tempstrip = get_strip(callNumber);
							tempstrip.cd_flight_state = Strip.CDFlightState.REQUESTING_CLEARANCE;
							stateChanged();
						}
						public void msgConfirmClearance(String callNumber, GroundControllerInterface groundController) {
							print("Received msgConfirmClearance");
							Strip tempstrip;
							tempstrip = get_strip(callNumber);
							tempstrip.cd_flight_state = Strip.CDFlightState.CONFIRM_CLEARANCE_GRANTED;
							stateChanged();
						}
						public void msgConfirmWeather(String callNumber) {
							print("Received msgConfirmWeather");
							Strip tempstrip;
							tempstrip = get_strip(callNumber);
							tempstrip.cd_flight_state = Strip.CDFlightState.CONFIRM_WEATHER;
							stateChanged();
						}
				
						/* Scheduler
						 *
						 *
						 */
						public boolean pickAndExecuteAnAction() {
				
							Strip temp_strip;
				
							if((temp_strip = get_strip(Strip.CDFlightState.NO_ACTION)) != null) {
				
							}
							// Take off schedules
							if((temp_strip = get_strip(Strip.CDFlightState.REQUESTING_CLEARANCE)) != null) {
								DoClearanceGranted(temp_strip.callNum);
								return true;
							}
							if((temp_strip = get_strip(Strip.CDFlightState.CONFIRM_CLEARANCE_GRANTED)) != null) {
								DoSendWeather(temp_strip.callNum, temp_strip);
								return true;
							}
							if((temp_strip = get_strip(Strip.CDFlightState.CONFIRM_WEATHER)) != null) {
								DoConfirmWeather(temp_strip);
								return true;
							}
				
							return false;
						}
				
						/* Actions
						 *
						 */
				
						// Actions for Take off Scenario
						public void DoClearanceGranted(String callnum) {
							Strip temp_strip;
							print("Sending pilot msgClearanceGranted");
							List points = null; // hack to get waypoint to work
							temp_strip = get_strip(callnum);
							temp_strip.cd_flight_state = Strip.CDFlightState.NO_ACTION;
							getPilot(callnum).msgClearanceGranted(points, World.get_ground_controller(tower));
							stateChanged();
						}
				
						public void DoSendWeather(String callnum, Strip strip) {
							print("Sending ground controller msgNewDepartureStrip");
							Strip temp_strip;
							Weather report = new Weather();
							temp_strip = get_strip(callnum);
							temp_strip.cd_flight_state = Strip.CDFlightState.NO_ACTION;
							// world.get_ground_controller(tower).msgNewDepartureStrip(strip);
							World.get_ground_controller(tower).msgNewDepartureStrip(strip);
							getPilot(callnum).msgSendWeather(report);
							stateChanged();
						}
						
						public void DoConfirmWeather(Strip strip) {
							strip.cd_flight_state = Strip.CDFlightState.NO_ACTION;
							stateChanged();
						}
				
						// Subroutines
						public Strip get_strip(String cn) {
							for (Strip strip : strips)
								if (strip.callNum.equals(cn))
									return strip;
							return null;
						}
				
						public Strip get_strip(Strip.CDFlightState state) {
							if(strips.size() > 0) {
							for (Strip strip : strips)
								if (strip.cd_flight_state == state)
									return strip;
							}
							return null;
						}
				
						public PilotInterface getPilot(String callnumber) {
							Plane plane;
							plane = World.get_plane(callnumber);
							return plane.radio();
				
				
						}
				
				}