Vending Machine

package com.company;

import java.util.Scanner;

public class Main {

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


        String command = sc.nextLine();
       // double money = 0;
        double coinsCounter = 0;
        double price = 0;

        while (!command.equals("Start")){
            double moreCoins = Double.parseDouble(command);

            if (moreCoins == 0.1 || moreCoins == 0.2 || moreCoins == 0.5 || moreCoins == 1 || moreCoins == 2){
               coinsCounter += moreCoins;

            }else {

                System.out.printf("Cannot accept %.2f%n",moreCoins);
            }
            command = sc.nextLine();
        }
        String purchase = sc.nextLine();
        while (!purchase.equals("End")) {

            switch (purchase) {
                case "Nuts": price = 2.0;break;
                case "Water": price = 0.7;break;
                case "Crisps": price = 1.5;break;
                case "Soda": price = 0.8;break;
                case "Coke": price = 1.0;break;
                default:
                    System.out.println("Invalid product");
            } break;

            }if (coinsCounter > price){
                purchase = sc.nextLine();
        }
        if (coinsCounter < price) {
            System.out.println("Sorry, not enough money%n");
        }

        System.out.printf("Purchased %s%n",purchase);

        if (coinsCounter > price)
            System.out.printf("Change: %.2f",coinsCounter - price);

    }
        }