Brief Refactoring for readability

import java.util.*;

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

        Map<String, List<Double>> productsMap = new LinkedHashMap<>();
        String[] command = scanner.nextLine().split(" ");

        while (!command[0].equals("buy")) {

// Rename -> "key" -> product
            String product = command[0];

            double price = Double.parseDouble(command[1]);
            double quantity = Double.parseDouble(command[2]);
//( Arrays.asList(0.0, 0.0))); ) taq glupost nz kak intelij ti e q predlojil tui kato makes no sense, no moje bi si oburkal //neshto sintakti4no i za tva ti e dal thrashy suggestion, anyway mirishe mi na GPT

            productsMap.putIfAbsent(product, new ArrayList<>());
            productsMap.get(product).set(0, price);

// Izvedi segashnoto kolichestvo v nova promenliva
            double currentQty = productsMap.get(product).get(1);

            productsMap.get(product).set(1, currentQty + quantity);

            command = scanner.nextLine().split(" ");
        }

        for (Map.Entry<String, List<Double>> pair : productsMap.entrySet()) {
// Izvedi gi I tiq v promenlivi da e qsno we da go ea
            String team = pair.getKey();
            double price = pair.getValue().get(0);
            double quantity = pair.getValue().get(1);
// Overall da polzvash <List> det ti pazi kolichestvo i cena ne e ailqk
            double totalPrice = price * quantity;
            System.out.printf("%s -> %.2f\n", team, totalPrice);
        }
    }
}