Product Shop

package SetsAndMaps;

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);

        String input;
        Map<String, LinkedHashMap<String, Double>> stores = new TreeMap<>();

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

            stores.putIfAbsent(store, new LinkedHashMap<>());
            stores.get(store).putIfAbsent(product, price);
        }
        for (String shopName : stores.keySet()) {
            System.out.println(shopName + "->");
            LinkedHashMap<String, Double> products = stores.get(shopName);

            for (String proName : products.keySet()) {
                System.out.printf("Product: %s, Price: %.1f%n", proName, products.get(proName));
            }
        }
    }
}