05. Small Shop

import java.util.Scanner;

public class SmallShop {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String product = scanner.nextLine();
        String town = scanner.nextLine();
        double quantity = Double.parseDouble(scanner.nextLine());

        double price = 0;

        if (town.equals("Sofia")) {
            if (product.equals("coffee")) {
                price = 0.50;
            } else if (product.equals("water")) {
                price = 0.80;
            } else if (product.equals("beer")) {
                price = 1.20;
            } else if (product.equals("sweets")) {
                price = 1.45;
            } else if (product.equals("peanuts")) {
                price = 1.60;
            }
        } else if (town.equals("Plovdiv")) {
            if (product.equals("coffee")) {
                price = 0.40;
            } else if (product.equals("water")) {
                price = 0.70;
            } else if (product.equals("beer")) {
                price = 1.15;
            } else if (product.equals("sweets")) {
                price = 1.30;
            } else if (product.equals("peanuts")) {
                price = 1.50;
            }
        } else if (town.equals("Varna")) {
            if (product.equals("coffee")) {
                price = 0.45;
            } else if (product.equals("water")) {
                price = 0.70;
            } else if (product.equals("beer")) {
                price = 1.10;
            } else if (product.equals("sweets")) {
                price = 1.35;
            } else if (product.equals("peanuts")) {
                price = 1.55;
            }
        }

        System.out.println(price * quantity);
    }
}

ИЛИ:

import java.util.Scanner;

public class SmallShop {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String product = scanner.nextLine();
        String town = scanner.nextLine();
        double quantity = Double.parseDouble(scanner.nextLine());

        double price = 0;

        switch (town) {
            case "Sofia":
                switch (product) {
                    case "coffee":
                        price = 0.50;
                        break;
                    case "water":
                        price = 0.80;
                        break;
                    case "beer":
                        price = 1.20;
                        break;
                    case "sweets":
                        price = 1.45;
                        break;
                    case "peanuts":
                        price = 1.60;
                        break;
                }
                break;
            case "Plovdiv":
                switch (product) {
                    case "coffee":
                        price = 0.40;
                        break;
                    case "water":
                        price = 0.70;
                        break;
                    case "beer":
                        price = 1.15;
                        break;
                    case "sweets":
                        price = 1.30;
                        break;
                    case "peanuts":
                        price = 1.50;
                        break;
                }
                break;
            case "Varna":
                switch (product) {
                    case "coffee":
                        price = 0.45;
                        break;
                    case "water":
                        price = 0.70;
                        break;
                    case "beer":
                        price = 1.10;
                        break;
                    case "sweets":
                        price = 1.35;
                        break;
                    case "peanuts":
                        price = 1.55;
                        break;
                }
                break;
        }
        System.out.println(price * quantity);
    }
}

ИЛИ:

import java.util.Scanner;

public class SmallShop {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String product = scanner.nextLine();
        String town = scanner.nextLine();
        double quantity = Double.parseDouble(scanner.nextLine());

        double price = product.equals("coffee") ? (town.equals("Sofia") ? 0.50 : town.equals("Plovdiv") ? 0.40 : town.equals("Varna") ? 0.45 : 0) :
                product.equals("water") ? (town.equals("Sofia") ? 0.80 : town.equals("Plovdiv") ? 0.70 : town.equals("Varna") ? 0.70 : 0) :
                        product.equals("beer") ? (town.equals("Sofia") ? 1.20 : town.equals("Plovdiv") ? 1.15 : town.equals("Varna") ? 1.10 : 0) :
                                product.equals("sweets") ? (town.equals("Sofia") ? 1.45 : town.equals("Plovdiv") ? 1.30 : town.equals("Varna") ? 1.35 : 0) :
                                        product.equals("peanuts") ? (town.equals("Sofia") ? 1.60 : town.equals("Plovdiv") ? 1.50 : town.equals("Varna") ? 1.55 : 0) : 0;

        System.out.println(price * quantity);
    }
}