final class Scrabble {

    Scrabble(String word) {
        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
    }

    int getScore() {
        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
    }

}

class Scrabble {

    Scrabble(String word) {
        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
    }

    int getScore() {
        throw new UnsupportedOperationException("Delete this statement and write your own implementation.");
    }

}

remove final from class declaration in scrabble-score exercise