Method main

data/java/04_exceptions.java:15–22

(String[] args)

    }

    public static void main(String[] args) {
        try {
            System.out.println(calculateWpm(48, 30));
            System.out.println(calculateWpm(48, 0));
        } catch (InvalidDurationException e) {
            System.err.println("Error: " + e.getMessage());
        }
    }
}