Orders

import java.util.LinkedHashMap;
import java.util.Scanner;


public class orders {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        LinkedHashMap<String, Double> products = new LinkedHashMap<>();
        LinkedHashMap<String, Double> current = new LinkedHashMap<>();
        String[] input = scanner.nextLine().split(" ");
        double totalQuantity = 0;


        while (!input[0].equals("Buy")) {
            String type = input[0];
            Double price = Double.parseDouble(input[1]);
            Double quantity = Double.parseDouble(input[2]);
            double finalPrice = price*quantity;
            if (products.containsKey(type)){
                totalQuantity = current.get(type) + quantity;
                finalPrice = totalQuantity*price;
                products.put(type,finalPrice);
            } else {
                current.put(type, quantity);
                products.put(type, finalPrice);

            }

            input = scanner.nextLine().split(" ");
            }
        products
                .entrySet()
                .stream()
                .forEach(e -> System.out.printf("%s -> %.2f%n", e.getKey(),e.getValue()));

        }
    }