Easter Trip

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String destination = scanner.nextLine(),
                dates = scanner.nextLine();
        int nights = Integer.parseInt(scanner.nextLine());
        double sumPerNight = 0;

        if (destination.equals("France")) {
            if (dates.equals("21-23")) {
                sumPerNight = 30;
            } else if (dates.equals("24-27")) {
                sumPerNight = 35;
            } else if (dates.equals("28-31")) {
                sumPerNight = 40;
            }
        } else if (destination.equals("Italy")) {
            if (dates.equals("21-23")) {
                sumPerNight = 28;
            } else if (dates.equals("24-27")) {
                sumPerNight = 32;
            } else if (dates.equals("28-31")) {
                sumPerNight = 39;
            }
        } else if (destination.equals("Germany")) {
            if (dates.equals("21-23")) {
                sumPerNight = 32;
            } else if (dates.equals("24-27")) {
                sumPerNight = 37;
            } else if (dates.equals("28-31")) {
                sumPerNight = 43;
            }
        }

        System.out.printf("Easter trip to %s : %.2f leva.\n", destination, sumPerNight * nights);
    }
}

ИЛИ:

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String destination = scanner.nextLine(),
                dates = scanner.nextLine();
        int nights = Integer.parseInt(scanner.nextLine());
        double sumPerNight = 0;

        switch (destination) {
            case "France" -> {
                sumPerNight = switch (dates) {
                    case "21-23" -> 30;
                    case "24-27" -> 35;
                    case "28-31" -> 40;
                    default -> 0;
                };
            }
            case "Italy" -> {
                sumPerNight = switch (dates) {
                    case "21-23" -> 28;
                    case "24-27" -> 32;
                    case "28-31" -> 39;
                    default -> 0;
                };
            }
            case "Germany" -> {
                sumPerNight = switch (dates) {
                    case "21-23" -> 32;
                    case "24-27" -> 37;
                    case "28-31" -> 43;
                    default -> 0;
                };
            }
        }

        System.out.printf("Easter trip to %s : %.2f leva.\n", destination, sumPerNight * nights);
    }
}

ИЛИ:

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String destination = scanner.nextLine(),
                dates = scanner.nextLine();
        int nights = Integer.parseInt(scanner.nextLine());

        double sumPerNight =
                destination.equals("France") ?
                        (dates.equals("21-23") ? 30 : dates.equals("24-27") ? 35 : dates.equals("28-31") ? 40 : 0) :
                        destination.equals("Italy") ?
                                (dates.equals("21-23") ? 28 : dates.equals("24-27") ? 32 : dates.equals("28-31") ? 39 : 0) :
                                destination.equals("Germany") ?
                                        (dates.equals("21-23") ? 32 : dates.equals("24-27") ? 37 : dates.equals("28-31") ? 43 : 0) : 0;

        System.out.printf("Easter trip to %s : %.2f leva.\n", destination, sumPerNight * nights);
    }
}