11. Fruit Shop

package advancedConditionalStatements;

import java.util.Scanner;

public class P11FruitShop {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String fruit = scanner.nextLine();
        String dayOfWeek = scanner.nextLine();
        double quantity = Double.parseDouble(scanner.nextLine());

        double price = 0;
        boolean isValid = true;

        switch (dayOfWeek) {
            case "Monday":
            case "Tuesday":
            case "Wednesday":
            case "Thursday":
            case "Friday":
                if (fruit.equals("banana")) {
                    price = 2.5;
                } else if (fruit.equals("apple")) {
                    price = 1.2;
                } else if (fruit.equals("orange")) {
                    price = 0.85;
                } else if (fruit.equals("grapefruit")) {
                    price = 1.45;
                } else if (fruit.equals("kiwi")) {
                    price = 2.70;
                } else if (fruit.equals("pineapple")) {
                    price = 5.50;
                } else if (fruit.equals("grapes")) {
                    price = 3.85;
                } else {
                    isValid = false;
                }
                break;
            case "Saturday":
            case "Sunday":
                if (fruit.equals("banana")) {
                    price = 2.70;
                } else if (fruit.equals("apple")) {
                    price = 1.25;
                } else if (fruit.equals("orange")) {
                    price = 0.90;
                } else if (fruit.equals("grapefruit")) {
                    price = 1.60;
                } else if (fruit.equals("kiwi")) {
                    price = 3.00;
                } else if (fruit.equals("pineapple")) {
                    price = 5.60;
                } else if (fruit.equals("grapes")) {
                    price = 4.20;
                } else {
                    isValid = false;
                }
                break;

            default:
                isValid = false;
        }
        double total = price * quantity;
        if (!isValid) {
            System.out.println("error");
        } else {
            System.out.printf("%.2f", total);
        }
    }
}