15. Processing Data with Streams
Activity 1: Applying Discount on the Items
Solution
Activity1.java
30Â Â Â Â Â Â Â Â Â double sum = calculatePrice(fruitCart, vegetableCart, meatAndFishCart);
31Â Â Â Â Â Â Â Â Â System.out.println(String.format("Sum: %.2f", sum));
32
33Â Â Â Â Â Â Â Â Â Map<String, Double> discounts = Map.of("Cod", 0.2, "Salad", 0.5);
34
35Â Â Â Â Â Â Â Â Â double sumDiscount = calculatePriceWithDiscounts(discounts, fruitCart, vegetableCart, Â Â Â Â Â Â Â Â Â Â Â meatAndFishCart);
36Â Â Â Â Â Â Â Â Â System.out.println(String.format("Discount sum: %.2f", sumDiscount));
37Â Â Â Â Â }
38
39Â Â Â Â Â private static double calculatePrice(ShoppingCart... carts...
