You will be implementing the Iterator Design Pattern to view flights. Code must follow logic of the uml diagram. Don't edit the driver except to add a package iterator. Please make the files Airline.java, Flight.java, FlightIterator.java

AirlineDriver

import java.util.Iterator;

import java.util.Scanner;

public class AirlineDriver $\{$

public AirlineDriver$()\{$

Airline american $=$ new Airline$("$American Airlines"$)$;

Scanner reader $=$ new Scanner$($System$.$in$)$;

System.out.print$("$

Enter Origin Airport Code: $")$;

String fromCode $=$ reader.nextLine$()$;

System.out.print$("$Enter Destination Airport Code: $")$;

String toCode $=$ reader.nextLine$()$;

Iterator flights $=$ american.createIterator$($fromCode$,$ toCode$)$;

System.out.println$()$;

if$($flights $==$ null$)\{$

return;

$\}$

while$($flights$.$hasNext$())\{$

System.out.println$(""+$ flights.next$())$;

$\}$

$\}$

public static void main$($String$[]$ args$)\{$

AirlineDriver driver $=$ new AirlineDriver$()$;

$\}$

$\}$

Airport

public enum Airport $\{$

ATL$("$Hartsfield$-$Jackson Atlanta International Airport"$),$

DFW$("$Dallas$$Fort Worth International Airport"$),$

DEN$("$Denver International Airport"$),$

ORD$("$Chicago$$s O$$Hare International Airport"$),$

LAX$("$Los Angeles International Airport"$),$

JFK$("$John F$.$ Kennedy International Airport"$),$

LAS$("$Harry Reid International Airport in Las Vegas"$),$

MCO$("$Orlando International Airport"$),$

MIA$("$Miami International Airport"$),$

CLT$("$Charlotte Douglas International Airport"$),$

SEA$("$Seattle$$Tacoma International Airport"$),$

PHX$("$Phoenix Sky Harbor International Airport"$),$

EWR$("$Newark Liberty International Airport"$),$

SFO$("$San Francisco International Airport"$),$

IAH$("$Houston$$s George Bush Intercontinental Airport"$),$

BOS$("$Boston$$s General Edward Lawrence Logan International Airport"$),$

FLL$("$Fort Lauderdale$/$Hollywood International Airport"$),$

MSP$("$Minneapolis$$St$.$ Paul International Airport"$),$

LGA$("$LaGuardia Airport in New York"$),$

DTW$("$Detroit Metro Wayne County Airport"$)$;

public final String label;

private Airport$($String label$)\{$

this.label $=$ label;

$\}$

$\}$

Output

Enter Origin Airport Code: CLT

Enter Destination Airport Code: SEA

CLT to SEA $10$:$15-15$:$10(4$h $55$m$)$ Direct Flight

CLT to SEA $12$:$15-17$:$10(4$h $55$m$)$ Direct Flight

CLT to SEA $14$:$15-18$:$10(3$h $55$m$)$ Direct Flight

CLT to SEA $10$:$01-22$:$10(12$h $9$m$)2$ Transfers

CLT to SEA $06$:$01-14$:$00(7$h $59$m$)1$ Stopover

CLT to SEA $08$:$01-23$:$19(15$h $18$m$)2$ Transfers

Invalid:

Enter Origin Airport Code: sdd

Enter Destination Airport Code: dfs

Must enter valid airport codes

Flights

$477$B$,$ CLT$,$ SEA, $10$:$15,15$:$10,0$

$887$T$,$ CLT$,$ ATL, $06$:$23,07$:$43,0$

$234$B$,$ CLT$,$ JFK$,08$:$45,10$:$25,0$

$344$B$,$ CLT$,$ SEA, $12$:$15,17$:$10,0$

$299$T$,$ CLT$,$ ATL, $08$:$43,09$:$03,0$

$843$B$,$ CLT$,$ JFK$,09$:$45,11$:$25,0$

$544$B$,$ CLT$,$ SEA, $14$:$15,18$:$10,0$

$899$T$,$ CLT$,$ ATL, $10$:$43,11$:$03,0$

$443$B$,$ CLT$,$ JFK$,11$:$45,13$:$25,0$

$767$B$,$ CLT$,$ SEA, $10$:$01,22$:$10,2$

$394$T$,$ CLT$,$ ATL, $08$:$43,13$:$03,1$

$742$B$,$ CLT$,$ JFK$,09$:$45,15$:$20,1$

$665$B$,$ CLT$,$ SEA, $06$:$01,14$:$00,1$

$856$T$,$ CLT$,$ ATL, $10$:$43,15$:$03,1$

$994$B$,$ CLT$,$ JFK$,12$:$45,18$:$20,1$

$656$B$,$ CLT$,$ SEA, $08$:$01,23$:$19,2$

FlightLoader

import java.io$.$File;

import java.io$.$FileNotFoundException;

import java.time.LocalTime;

import java.util.ArrayList;

import java.util.Scanner;

public class FlightLoader $\{$

$//$relative path to the file, based on the directory you currently have open

private static final String FILE$\_$NAME $=$ "iterator$/$flights$.$txt$"$;

$/**$

$*$ Returns a list of all Flights from the text file

$*$ @return An ArrayList of Flights

$*/$

public static ArrayList getFlights$()\{$

ArrayList flights $=$ new ArrayList$()$;

try $\{$

File file $=$ new File$($FILE$\_$NAME$)$;

Scanner scanner $=$ new Scanner$($file$)$;

$//$loop through to get each question

while $($scanner$.$hasNextLine$())\{$

String$[]$ data $=$ scanner.nextLine$().$split$(",")$;

String flightNum $=$ data$[0].$trim$()$;

Airport from $=$ getAirport$($data$[1].$trim$())$;

Airport to $=$ getAirport$($data$[2].$trim$())$;

LocalTime startTime $=$ LocalTime.parse$($data$[3].$trim$())$;

LocalTime endTime $=$ LocalTime.parse$($data$[4].$trim$())$;

int numTransfers $=$ Integer.parseInt$($data$[5].$trim$())$;

flights.add$($new Flight$($flightNum$,$ from, to$,$ startTime, endTime, numTransfers$))$;

$\}$

scanner.close$()$;

$\}$ catch $($FileNotFoundException e$)\{$

System.out.println$("$Sorry$,$ we could not properly read the questions file"$)$;

e$.$printStackTrace$()$;

$\}$ catch$($Exception e$)\{$

e$.$printStackTrace$()$;

$\}$

return flights;

$\}$

private static Airport getAirport$($String data$)\{$

return Airport.valueOf$($data$.$trim$().$toUpperCase$())$;

$\}$

$\}$