It is a Java program * Write a JAVA program to build an appropriate implementation for the UML diagram below, which models anairline flight management system.AirLine- name: String|- flights: ArrayList+ AirLine(name: String, fileName: String)+ sortFlightsNumOfPassengers(): void+ listFlightsFromTo(origin: String, destination: String):void+ reserveFlight (flightNumber: int): boolean+ cancelReservation(flightNumber:int, ticketNo:int): voidjava.lang.Comparable+ compareTo(f:Flight):intFlight- passengers: ArrayList- departureTime: Date- arrivalTime: Date- origin: Airport- destination: Airport- number: intItalicPassenger# name: String- luggage: Luggage- passNo: int- ticketNo: int- ticketPrice: doublenormalPrice: double+ Flight(AlIDataFieldsExceptPassengers)+ addPassenger(): boolean+ removePassenger(): boolean+ Passenger(ticketNo:int, ticketPrice: double)cancelTicket(): void+ loungeAccess(): boolean+ getLuggage(): LuggageItalicAirport- code: String- location: String+ Airport(code:String, location:String)+ getCode(): String+ getLocation(): StringEconomy+ Economy( ticketNo:int, ticketPrice: double)+ cancelTicket(): void+ loungeAccess(): booleanLuggage- numOfBags: int=1- weight: double-25FirstClass- extraLuggage: Luggage+ FirstClass( ticketNo:int, ticketPrice: double)+ cancelTicket(): void+ lounge Access(): Boolean+ getLuggage(): Luggage+ Luggage()+ Luggage(numOfBags:int, weight: double)+ getNumOfBags(): int+ getWeight(): double 4. Economy:The constructor should invoke the super class constructor with the passed parameter ticketNo and ticketPrice.Override the cancelTicket method such that it displays a dialog box with the message: "Please note that there'sno money refund for your ticket!".a.b.Override the loungeAccess method such that it returns false.d. Override the toString method such that it returns a String that begins with the word Economy, then thepassenger info retrieved using the super class toString method.c.5. FirstClassThe constructor should invoke the super class constructor with the passed parameter ticketNo and ticketPrice.Then create a luggage object with default number of bags and weight for the extraluggage.Override the cancelTicket method such that it displays a dialog box with the message: ""Please note you havea refund amount ---ticketPrice-".b. Override the loungeAccess method such that it returns true.c. Override the toString method such that it returns a String that begins with the word FirstClass, then thea.е.passenger info retrieved using the super class toString method.Override the getLuggage method such that it returns a luggage object that consists of the summation of bagsand weight in the luggage and extraluggage data fields.d.6. FlightThe constructor should initialize the ArrayList such that it's empty, and initialize all other data fields withcorresponding arguments with same names.The method addPassenger should ask the user about the type of ticket to buy: Economy or FirctClass as in thefollowing dialog box.a.b.Input? Enter number of choice:1.Economy class2.First classOKCancelThen create and add a passenger of the selected type to the ArrayList of passengers.If the user enters an option other than 1 or 2 (another number), or press cancel, the following dialog boxshould appear:ErrorX Sorry could not add passenger, incorrect inputOKIf the passenger is added successfully, the method returns true. Otherwise, it returns false.The method removePassenger should ask the user to enter the ticket number and the name of the passenger,then search for the passenger with the entered ticket number and passenger name (ignoring case sensitivitywhen matching names).If the passenger is found, it should invoke the cancelTicket method for that passenger, then remove himfrom the passengers ArrayList, then return true.If the passenger is not found, it should return false.C.d. Override the equals method such that two flights are equal if they are from the same origin airport and goingto the same destination airport. Note that you should compare airports by invoking the equals method of theAirport class.e. Override the compareTo method such that it returns 1 if the first flight has more passengers than the second,O if they have the same number, and -1 if the first flight has less passengers than the second.

Question

It is a Java program * Write a JAVA program to build an appropriate implementation for the UML diagram below, which models anairline flight management system.AirLine- name: String|- flights: ArrayList+ AirLine(name: String, fileName: String)+ sortFlightsNumOfPassengers(): void+ listFlightsFromTo(origin: String, destination: String):void+ reserveFlight (flightNumber: int): boolean+ cancelReservation(flightNumber:int, ticketNo:int): void<>java.lang.Comparable+ compareTo(f:Flight):intFlight- passengers: ArrayList- departureTime: Date- arrivalTime: Date- origin: Airport- destination: Airport- number: intItalicPassenger# name: String- luggage: Luggage- passNo: int- ticketNo: int- ticketPrice: doublenormalPrice: double+ Flight(AlIDataFieldsExceptPassengers)+ addPassenger(): boolean+ removePassenger(): boolean+ Passenger(ticketNo:int, ticketPrice: double)cancelTicket(): void+ loungeAccess(): boolean+ getLuggage(): LuggageItalicAirport- code: String- location: String+ Airport(code:String, location:String)+ getCode(): String+ getLocation(): StringEconomy+ Economy( ticketNo:int, ticketPrice: double)+ cancelTicket(): void+ loungeAccess(): booleanLuggage- numOfBags: int=1- weight: double-25FirstClass- extraLuggage: Luggage+ FirstClass( ticketNo:int, ticketPrice: double)+ cancelTicket(): void+ lounge Access(): Boolean+ getLuggage(): Luggage+ Luggage()+ Luggage(numOfBags:int, weight: double)+ getNumOfBags(): int+ getWeight(): double 4. Economy:The constructor should invoke the super class constructor with the passed parameter ticketNo and ticketPrice.Override the cancelTicket method such that it displays a dialog box with the message: &#34;Please note that there'sno money refund for your ticket!&#34;.a.b.Override the loungeAccess method such that it returns false.d. Override the toString method such that it returns a String that begins with the word Economy, then thepassenger info retrieved using the super class toString method.c.5. FirstClassThe constructor should invoke the super class constructor with the passed parameter ticketNo and ticketPrice.Then create a luggage object with default number of bags and weight for the extraluggage.Override the cancelTicket method such that it displays a dialog box with the message: &#34;&#34;Please note you havea refund amount ---ticketPrice-&#34;.b. Override the loungeAccess method such that it returns true.c. Override the toString method such that it returns a String that begins with the word FirstClass, then thea.е.passenger info retrieved using the super class toString method.Override the getLuggage method such that it returns a luggage object that consists of the summation of bagsand weight in the luggage and extraluggage data fields.d.6. FlightThe constructor should initialize the ArrayList such that it's empty, and initialize all other data fields withcorresponding arguments with same names.The method addPassenger should ask the user about the type of ticket to buy: Economy or FirctClass as in thefollowing dialog box.a.b.Input? Enter number of choice:1.Economy class2.First classOKCancelThen create and add a passenger of the selected type to the ArrayList of passengers.If the user enters an option other than 1 or 2 (another number), or press cancel, the following dialog boxshould appear:ErrorX Sorry could not add passenger, incorrect inputOKIf the passenger is added successfully, the method returns true. Otherwise, it returns false.The method removePassenger should ask the user to enter the ticket number and the name of the passenger,then search for the passenger with the entered ticket number and passenger name (ignoring case sensitivitywhen matching names).If the passenger is found, it should invoke the cancelTicket method for that passenger, then remove himfrom the passengers ArrayList, then return true.If the passenger is not found, it should return false.C.d. Override the equals method such that two flights are equal if they are from the same origin airport and goingto the same destination airport. Note that you should compare airports by invoking the equals method of theAirport class.e. Override the compareTo method such that it returns 1 if the first flight has more passengers than the second,O if they have the same number, and -1 if the first flight has less passengers than the second.

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Write a JAVA program to build an appropriate implementation for the UML diagram below, which…