Cruise Ship

import java.util.Scanner;

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

        if (destination.equals("Mediterranean")) {
            if (cabinType.equals("standard cabin")) {
                dayPrice = 27.50;
            } else if (cabinType.equals("cabin with balcony")) {
                dayPrice = 30.20;
            } else {
                dayPrice = 40.50;
            }
        } else if (destination.equals("Adriatic")) {
            if (cabinType.equals("standard cabin")) {
                dayPrice = 22.99;
            } else if (cabinType.equals("cabin with balcony")) {
                dayPrice = 25.00;
            } else {
                dayPrice = 34.99;
            }
        } else {
            if (cabinType.equals("standard cabin")) {
                dayPrice = 23.00;
            } else if (cabinType.equals("cabin with balcony")) {
                dayPrice = 26.60;
            } else {
                dayPrice = 39.80;
            }
        }

        double totalSum = dayPrice * 4 * overnights;
        if (overnights > 7) {
            totalSum *= 0.75;
        }

        System.out.printf("Annie's holiday in the %s sea costs %.2f lv.\n", destination, totalSum);
    }
}

Решение с тернарен оператор:

import java.util.Scanner;

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

        double dayPrice = destination.equals("Mediterranean")
                        ? (cabinType.equals("standard cabin") ? 27.50 : cabinType.equals("cabin with balcony") ? 30.20 : 40.50)
                        : destination.equals("Adriatic")
                        ? (cabinType.equals("standard cabin") ? 22.99 : cabinType.equals("cabin with balcony") ? 25.00 : 34.99)
                        : (cabinType.equals("standard cabin") ? 23.00 : cabinType.equals("cabin with balcony") ? 26.60 : 39.80);

        double totalSum = dayPrice * 4 * overnights * (overnights > 7 ? 0.75 : 1);

        System.out.printf("Annie's holiday in the %s sea costs %.2f lv.\n", destination, totalSum);
    }
}