Influenza virus is able to undergo antigenic shift due to th…

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Influenzа virus is аble tо undergо аntigenic shift due tо the unique structure of its eight RNA segments and their ability to undergo 

We аre develоping а flight schedule mаnagement system. We have alsо develоped the following GUI interface for this application.      The class representing the above screen has the following attributes:  private   JTextField      jTextField1; //  text field for day private   JTextField      jtextField2; //  text field for month private   JTextField      jtextField3; //  text field for year private   JButton         searchButton; // “Search” button private   JList           jList1;       // the box in the above screen Also, assume that a model object of type DefaultListModel has been associated with jList1.   The code for the control classes developed to implement this application are shown below.   class Aircraft { // stores information about a particular aircraft    private int number;    private String model;    private int numberOfSeats;    public int getNumber() { return number; } public String getModel() { return model; }    public int getNumberOfSeats() { return numberOfSeats; }    public Aircraft(int number, String model, int numberOfSeats) {        //Assume that the correct code is here    }   public String toString() {       return number + "t" +  model + "t" + numberOfSeats;    }}class Flight { // stores information about a particular flight    private String flightNumber; private String origin;   // source airport           private String destination; // destination airport    private String departure;   // time of departure from source airport       private String arrival; // time of arrival at destination airport    private Aircraft plane;    public String getFlightNumber() {return flightNumber; }    public String getOrigin() {return origin; }    public String getDestination() {return destination; }    public Aircraft getPlane() { return plane; }    public Flight(String flightNumber, String origin, String destination,                  String departure, String arrival, Aircraft plane) {        //Assume that the correct code is here    }    public String toString() {                       //Assume that the correct code is here           }}class Schedule { // stores flight schedule for a given date    private LocalDate date;    private LinkedList flightList = new LinkedList(); public LocalDate getDate() { return date; } public LinkedList getFlightList() { return flightList; }    public Schedule(LocalDate date) { this.date = date; }    public void addFlight(String flightNo, String origin,  String dest,                             String depTime, String arrTime, Aircraft plane ) {            //assume correct code is here to add a flight (with        // the details passed as parameters) to the linkedlist flights    }}class ApplicationSystem {   private static LinkedList scheduleList = new LinkedList();   public static Schedule searchSchedule(int day, int month, int year) {   // returns the Schedule for the given date // if no schedule for the given date is found, it returns null        //assume correct code to implement this method is here    }}   Write the code for the event handler that will be called when the “Search” button is clicked in the GUI screen shown above. If the user enters the date and then clicks on the Search button, the details (aircraft model and the destination) of the flights running on that day should be displayed in the box (which is a JList object) in the GUI screen in the format shown above. If there is no schedule available for the given date, an error message saying "No schedule for this date is available" should be displayed. You can use the methods provided in the above classes or the methods provided in the syntax sheet.  AVOID code duplication and DO NOT add extra attributes/methods in the control or the GUI classes.