06. Product Shop

package Lekciq;

import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Scanner;
import java.util.TreeMap;

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


        TreeMap<String, LinkedHashMap<String, Double>> shops = new TreeMap<>();

        String input;
        while (!(input = scanner.nextLine()).equals("Revision")) {
            String[] tokens = input.split(", ");
            String shop = tokens[0];
            String product = tokens[1];
            double price = Double.parseDouble(tokens[2]);

            if (!shops.containsKey(shop)) {
                shops.put(shop, new LinkedHashMap<>());
            }
            shops.get(shop).put(product, price);
        }

        for (Map.Entry<String, LinkedHashMap<String, Double>> entry : shops.entrySet()) {
            String shop = entry.getKey();
            LinkedHashMap<String, Double> products = entry.getValue();

            System.out.println(shop + "->");
            for (Map.Entry<String, Double> productEntry : products.entrySet()) {
                String productName = productEntry.getKey();
                double productPrice = productEntry.getValue();
                System.out.printf("Product: %s, Price: %.1f\n", productName, productPrice);
            }
        }
    }
}