Relationship i assess

class Client {
    private Integer clientId;
    private String clientName;
    private String phoneNumber;
    private String email;
    private String passport;
    private Country country;

    public Client() {
    }

    public Client(Integer clientId, String clientName, String phoneNumber, String email, String passport, Country country) {
        this.clientId = clientId;
        this.clientName = clientName;
        this.phoneNumber = phoneNumber;
        this.email = email;
        this.passport = passport;
        this.country = country;
    }

    // Getters and setters
    public Integer getClientId() {
        return clientId;
    }

    public void setClientId(Integer clientId) {
        this.clientId = clientId;
    }

    public String getClientName() {
        return clientName;
    }

    public void setClientName(String clientName) {
        this.clientName = clientName;
    }

    public String getPhoneNumber() {
        return phoneNumber;
    }

    public void setPhoneNumber(String phoneNumber) {
        this.phoneNumber = phoneNumber;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getPassport() {
        return passport;
    }

    public void setPassport(String passport) {
        this.passport = passport;
    }

    public Country getCountry() {
        return country;
    }

    public void setCountry(Country country) {
        this.country = country;
    }

    @Override
    public String toString() {
        return String.format("%-25s %-25s %-25s %-25s %-25s %s", clientId, clientName, phoneNumber, email, passport, country);
    }
}

import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("Enter number of clients");
        int numClients = scanner.nextInt();
        scanner.nextLine(); // Consume newline
        Client[] clients = new Client[numClients];

        for (int i = 0; i < numClients; i++) {
            System.out.println("Enter client " + (i + 1) + " details:");
            System.out.println("Enter the client id");
            int clientId = scanner.nextInt();
            scanner.nextLine(); // Consume newline
            System.out.println("Enter the client name");
            String clientName = scanner.nextLine();
            System.out.println("Enter the phone number");
            String phoneNumber = scanner.nextLine();
            System.out.println("Enter the email id");
            String email = scanner.nextLine();
            System.out.println("Enter the passport number");
            String passport = scanner.nextLine();
            System.out.println("Enter the iata country code");
            String iataCountryCode = scanner.nextLine();
            System.out.println("Enter the country name");
            String countryName = scanner.nextLine();

            Country country = new Country(iataCountryCode, countryName);
            clients[i] = new Client(clientId, clientName, phoneNumber, email, passport, country);
        }

        ClientBO clientBO = new ClientBO();
        int choice;
        do {
            System.out.println("Menu:");
            System.out.println("1.View client details");
            System.out.println("2.Filter client with country");
            System.out.println("3.Exit");
            choice = scanner.nextInt();

            switch (choice) {
                case 1:
                    clientBO.viewDetails(clients);
                    break;
                case 2:
                    System.out.println("Enter country name");
                      scanner.nextLine();
                    String countryName = scanner.nextLine();
                    clientBO.printClientDetailsWithCountry(clients, countryName);
                    break;
                case 3:
                    break;
                default:
                    System.out.println("Invalid choice. Please enter again.");
            }
        } while (choice != 3);
    }
}

class Country {
    private String iataCountryCode;
    private String countryName;

    public Country() {
    }

    public Country(String iataCountryCode, String countryName) {
        this.iataCountryCode = iataCountryCode;
        this.countryName = countryName;
    }

    // Getters and setters
    public String getIataCountryCode() {
        return iataCountryCode;
    }

    public void setIataCountryCode(String iataCountryCode) {
        this.iataCountryCode = iataCountryCode;
    }

    public String getCountryName() {
        return countryName;
    }

    public void setCountryName(String countryName) {
        this.countryName = countryName;
    }

    @Override
    public String toString() {
        return String.format("%-25s %s\n", iataCountryCode, countryName);
    }
}

class ClientBO {
    public void viewDetails(Client[] clientList) {
        System.out.println("ClientId                  ClientName                PhoneNumber               Email                     Passport                  IATACountryCode           CountryName");
        for (Client client : clientList) {
            System.out.println(client);
        }
    }

    public void printClientDetailsWithCountry(Client[] clientList, String countryName) {
        System.out.println("ClientId                  ClientName                PhoneNumber               Email                     Passport                  IATACountryCode           CountryName");
        for (Client client : clientList) {
            if (client.getCountry().getCountryName().equalsIgnoreCase(countryName)) {
                System.out.println(client);
            }
        }
    }
}




//2-----------------------------------------------------------------------------------
// CountryBO.java
public class CountryBO {
    public Country createCountry(String data) {
        String[] parts = data.split(",");
        String iataCountryCode = parts[0];
        String countryName = parts[1];
        return new Country(iataCountryCode, countryName);
    }
}

// AirportBO.java
public class AirportBO {
    public Airport createAirport(String data, Country[] countryList) {
        String[] parts = data.split(",");
        String airportName = parts[0];
        String countryName = parts[1];
        Country country = null;
        for (Country c : countryList) {
            if (c.getCountryName().equals(countryName)) {
                country = c;
                break;
            }
        }
        return new Airport(airportName, country);
    }

    public String findCountryName(Airport[] airportList, String airportName) {
        for (Airport airport : airportList) {
            if (airport.getAirportName().equals(airportName)) {
                return airport.getCountry().getCountryName();
            }
        }
        return null;
    }

    public boolean findWhetherAirportsAreInSameCountry(Airport[] airportList, String airportName1, String airportName2) {
        String country1 = null;
        String country2 = null;
        for (Airport airport : airportList) {
            if (airport.getAirportName().equals(airportName1)) {
                country1 = airport.getCountry().getCountryName();
            }
            if (airport.getAirportName().equals(airportName2)) {
                country2 = airport.getCountry().getCountryName();
            }
        }
        return country1 != null && country2 != null && country1.equals(country2);
    }
}

// Airport.java
public class Airport {
    private String airportName;
    private Country country;

    public Airport() {
    }

    public Airport(String airportName, Country country) {
        this.airportName = airportName;
        this.country = country;
    }

    public String getAirportName() {
        return airportName;
    }

    public void setAirportName(String airportName) {
        this.airportName = airportName;
    }

    public Country getCountry() {
        return country;
    }

    public void setCountry(Country country) {
        this.country = country;
    }
}

// Main.java
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("Enter the country count");
        int countryCount = scanner.nextInt();
        scanner.nextLine(); // Consume newline
        Country[] countries = new Country[countryCount];

        CountryBO countryBO = new CountryBO();
        for (int i = 0; i < countryCount; i++) {
            System.out.println("Enter country " + (i + 1) + " details");
            String data = scanner.nextLine();
            countries[i] = countryBO.createCountry(data);
        }

        System.out.println("Enter the airport count");
        int airportCount = scanner.nextInt();
        scanner.nextLine(); // Consume newline
        Airport[] airports = new Airport[airportCount];

        AirportBO airportBO = new AirportBO();
        for (int i = 0; i < airportCount; i++) {
            System.out.println("Enter airport " + (i + 1) + " details");
            String data = scanner.nextLine();
            airports[i] = airportBO.createAirport(data, countries);
        }

        System.out.println("Enter the airport name for which you need to find the country name");
        String airportName = scanner.nextLine();
        String countryName = airportBO.findCountryName(airports, airportName);
        System.out.println(airportName + " belongs to " + countryName);

        System.out.println("Enter 2 airport names");
        String airportName1 = scanner.nextLine();
        String airportName2 = scanner.nextLine();
        boolean sameCountry = airportBO.findWhetherAirportsAreInSameCountry(airports, airportName1, airportName2);
        if (sameCountry) {
            System.out.println("The 2 airports are in the same Country");
        } else {
            System.out.println("The 2 airports are in the different Country");
        }
    }
}
// Country.java
public class Country {
    private String iataCountryCode;
    private String countryName;

    public Country() {
    }

    public Country(String iataCountryCode, String countryName) {
        this.iataCountryCode = iataCountryCode;
        this.countryName = countryName;
    }

    public String getIataCountryCode() {
        return iataCountryCode;
    }

    public void setIataCountryCode(String iataCountryCode) {
        this.iataCountryCode = iataCountryCode;
    }

    public String getCountryName() {
        return countryName;
    }

    public void setCountryName(String countryName) {
        this.countryName = countryName;
    }
}