03. New House

import java.util.Scanner;

public class NewHouse {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String flower = scanner.nextLine();
        int quantity = Integer.parseInt(scanner.nextLine());
        int budget = Integer.parseInt(scanner.nextLine());

        double sum = 0;

        if (flower.equals("Roses")) {
            sum = quantity * 5.00;
            if (quantity > 80) {
                sum *= 0.90;
            }
        } else if (flower.equals("Dahlias")) {
            sum = quantity * 3.80;
            if (quantity > 90) {
                sum *= 0.85;
            }
        } else if (flower.equals("Tulips")) {
            sum = quantity * 2.80;
            if (quantity > 80) {
                sum *= 0.85;
            }
        } else if (flower.equals("Narcissus")) {
            sum = quantity * 3.00;
            if (quantity < 120) {
                sum *= 1.15;
            }
        } else if (flower.equals("Gladiolus")) {
            sum = quantity * 2.50;
            if (quantity < 80) {
                sum *= 1.20;
            }
        }

        if (sum > budget) {
            System.out.printf("Not enough money, you need %.2f leva more.", sum - budget);
        } else {
            System.out.printf("Hey, you have a great garden with %d %s and %.2f leva left.", quantity, flower, budget - sum);
        }
    }
}

ИЛИ:

import java.util.Scanner;

public class NewHouse {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String flower = scanner.nextLine();
        int quantity = Integer.parseInt(scanner.nextLine());
        int budget = Integer.parseInt(scanner.nextLine());

        double sum = 0;

        switch (flower) {
            case "Roses":
                sum = quantity * 5.00;
                if (quantity > 80) {
                    sum *= 0.90;
                }
                break;
            case "Dahlias":
                sum = quantity * 3.80;
                if (quantity > 90) {
                    sum *= 0.85;
                }
                break;
            case "Tulips":
                sum = quantity * 2.80;
                if (quantity > 80) {
                    sum *= 0.85;
                }
                break;
            case "Narcissus":
                sum = quantity * 3.00;
                if (quantity < 120) {
                    sum *= 1.15;
                }
                break;
            case "Gladiolus":
                sum = quantity * 2.50;
                if (quantity < 80) {
                    sum *= 1.20;
                }
                break;
        }

        if (sum > budget) {
            System.out.printf("Not enough money, you need %.2f leva more.", sum - budget);
        } else {
            System.out.printf("Hey, you have a great garden with %d %s and %.2f leva left.", quantity, flower, budget - sum);
        }
    }
}

ИЛИ:

import java.util.Scanner;

public class NewHouse {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String flower = scanner.nextLine();
        int quantity = Integer.parseInt(scanner.nextLine());
        int budget = Integer.parseInt(scanner.nextLine());

        double sum =
                (flower.equals("Roses") ? 5.00 * (quantity > 80 ? 0.90 : 1) :
                        flower.equals("Dahlias") ? 3.80 * (quantity > 90 ? 0.85 : 1) :
                                flower.equals("Tulips") ? 2.80 * (quantity > 80 ? 0.85 : 1) :
                                        flower.equals("Narcissus") ? 3.00 * (quantity < 120 ? 1.15 : 1) :
                                                flower.equals("Gladiolus") ? 2.50 * (quantity < 80 ? 1.20 : 1) : 0) * quantity;

        if (sum > budget) {
            System.out.printf("Not enough money, you need %.2f leva more.", sum - budget);
        } else {
            System.out.printf("Hey, you have a great garden with %d %s and %.2f leva left.", quantity, flower, budget - sum);
        }
    }
}