public class Flight {

    private String flightNumber;
    private String origin;
    private String destination;
    private Passenger[] passengers;
    private int passengersOnBoard;
    private int numSeats;

    /**
       Constructor
       @param flightNumber
       @param destination
       @param origin
       @param numSeats
    
    */
    public Flight(String flightNumber, String origin, String destination, int numSeats) {
	this.flightNumber = flightNumber;
	this.origin = origin;
	this.destination = destination;
	this.passengers = new Passenger[numSeats];
	this.passengersOnBoard = 0;
	this.numSeats = numSeats;
    }

    
    /**
       Retrieve flight's number
       @returns String
     */
    public String getFlightNumber() {
	return flightNumber;
    }
    
    /**
       Change flight's number
       @param flightNumber
     */
    public void setFlightNumber(String flightNumber) {
	this.flightNumber = flightNumber;
    }

    
    /**
       Retrieve flight's origin
       @returns String
     */
    public String getOrigin() {
	return origin;
    }
    
    /**
       Change flight's origin
       @param origin
     */
    public void setOrigin(String origin) {
	this.origin = origin;
    }

    
    /**
       Retrieve flight's destination
       @returns String
     */
    public String getDestination() {
	return destination;
    }
    
    /**
       Change flight's destination
       @param destination
     */
    public void setDestination(String destination) {
	this.destination = destination;
    }

    /**
       A passenger boards the flight
       @param Passenger
       @returns boolean -- true of the passenger boarded successfully
     */
    public boolean addPassenger(Passenger p) {
	if(passengersOnBoard >= numSeats) {
	    return false;
	}
	passengers[passengersOnBoard++] = p;
	return true;
    }

    /**
       Print all info about the flight
     */
    public void printInfo() {
	System.out.println("Flight Number: " + flightNumber);
	System.out.println("Origin: " + origin);
	System.out.println("Destination: " + destination);
	System.out.println("Number of passengers on board: " + passengersOnBoard);
	if(passengersOnBoard > 0) {
	    System.out.println("Passenger List:");
	}
	
	for(int i = 0; i < passengersOnBoard; i++) {
	    System.out.println("\tPassenger " + (i+1) + ": " + passengers[i].getInfo());
	}
    }

}