01. Furniture

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Furniture_01 {
    public static void main(String[] args) {
       Scanner scanner = new Scanner(System.in);

       List<String> furniture = new ArrayList<>(); //списък с мебели
       double totalSum = 0; //общо изхарчена сума

        //">>{furniture name}<<{price}!{quantity}"
       //String regex = ">>(?<furnitureName>[A-Za-z]+)<<(?<price>[0-9]+.?[0-9]*)!(?<quantity>[0-9]+)";
       String regex = ">>(?<furnitureName>\\w+)<<(?<price>\\d+.?\\d*)!(?<quantity>\\d+)";
       Pattern pattern = Pattern.compile(regex);

       String input = scanner.nextLine();
       while (!input.equals("Purchase")) {
        //input = ">>Sofa<<312.23!3";
           Matcher matcher = pattern.matcher(input);
           //matcher = ">>(?<furnitureName>Sofa)<<(?<price>312.23)!(?<quantity>3)";
           //find
           //true -> input отговаря на regex
           //false -> input е отговаря на regex
           if (matcher.find()) {
                String furnitureName = matcher.group("furnitureName");
                double price = Double.parseDouble(matcher.group("price"));
                int quantity = Integer.parseInt(matcher.group("quantity"));

               furniture.add(furnitureName);
               double currentFurniturePrice = price * quantity; //платено за текущата мебел
               totalSum += currentFurniturePrice;

           }
           input = scanner.nextLine();
       }

        System.out.println("Bought furniture:");
        furniture.forEach(System.out::println);
        System.out.printf("Total money spend: %.2f", totalSum);
    }
}