gistfile1.java

package machine;

import java.util.Scanner;

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

        System.out.println("The coffee machine has:");

        int availableWater = 1200;
        int availableMIlk = 540;
        int availableCoffee = 120;
        int availableCups = 9;
        int availableMoney = 550;

        //espresso ingredients:
        int espressoWater = 250, espressoBeans = 16;
        //latte ingredients:
        int latteWater = 350, latteMilk = 75, latteBeans = 20;
        //cappuccino ingredients:
        int cappuccinoWater = 200, cappuccinoMilk = 100, cappuccinoBeans = 12;
        //prices:
        int espressoPrice = 4, lattePrice = 7, cappuccinoPrice = 6;

        System.out.println(availableWater + " of water");
        System.out.println(availableMIlk + " of milk");
        System.out.println(availableCoffee + " of coffee beans");
        System.out.println(availableCups + " of disposable cups");
        System.out.println(availableMoney + " of money");

        System.out.println("Write action (buy, fill, take):");
        String menuChoice = scanner.nextLine();

        switch (menuChoice){
            case "buy":
                System.out.println("What do you want to buy? 1 - espresso, 2 - latte, 3 - cappuccino:");
                int beverageChoice = scanner.nextInt();
                switch (beverageChoice){
                    case 1:
                        availableWater -= espressoWater;
                        availableCoffee -= espressoBeans;
                        availableMoney += espressoPrice;
                        availableCups--;
                        break;
                    case 2:
                        availableWater -= latteWater;
                        availableCoffee -= latteBeans;
                        availableMIlk -= latteMilk;
                        availableMoney += lattePrice;
                        availableCups--;
                        break;
                    case 3:
                        availableWater -= cappuccinoWater;
                        availableCoffee -= cappuccinoBeans;
                        availableMIlk -= cappuccinoMilk;
                        availableMoney += cappuccinoPrice;
                        availableCups--;
                        break;
                }
                System.out.println("The coffee machine has:");
                System.out.println(availableWater + " of water");
                System.out.println(availableMIlk + " of milk");
                System.out.println(availableCoffee + " of coffee beans");
                System.out.println(availableCups + " of disposable cups");
                System.out.println(availableMoney + " of money");
                break;

            case "fill":
                System.out.println("Write how many ml of water do you want to add: ");
                availableWater += scanner.nextInt();
                System.out.println("Write how many ml of milk do you want to add: ");
                availableMIlk += scanner.nextInt();
                System.out.println("Write how many grams of coffee beans do you want ");
                availableCoffee += scanner.nextInt();
                System.out.println("Write how many disposable cups of coffee do you want to add: ");
                availableCups += scanner.nextInt();

                System.out.println("The coffee machine has:");
                System.out.println(availableWater + " of water");
                System.out.println(availableMIlk + " of milk");
                System.out.println(availableCoffee + " of coffee beans");
                System.out.println(availableCups + " of disposable cups");
                System.out.println(availableMoney + " of money");
                break;

            case "take":
                System.out.println("I gave you "+availableMoney);
                availableMoney = 0;

                System.out.println("The coffee machine has:");
                System.out.println(availableWater + " of water");
                System.out.println(availableMIlk + " of milk");
                System.out.println(availableCoffee + " of coffee beans");
                System.out.println(availableCups + " of disposable cups");
                System.out.println(availableMoney + " of money");
                break;

        }
    }
 }