04. Add VAT

package Lekciq;

import java.util.Arrays;
import java.util.List;
import java.util.Scanner;
import java.util.function.UnaryOperator;
import java.util.stream.Collectors;

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


        // Read input line
        String input = scanner.nextLine();

        // Define a unary operator to add VAT
        UnaryOperator<Double> addVAT = price -> price * 1.20;

        // Split the input into strings, parse them to doubles, add VAT, and collect into a list
        List<Double> pricesWithVAT = Arrays.stream(input.split(", "))
                .map(Double::parseDouble)
                .map(addVAT)
                .collect(Collectors.toList());

        // Print the prices with VAT
        System.out.println("Prices with VAT:");
        pricesWithVAT.forEach(price -> System.out.printf("%.2f%n", price));
    }
}