class MultiplicationServiceImpl implements MultiplicationService {

    @Override
    public boolean checkAttempt(final MultiplicationResultAttempt resultAttempt) {
        return resultAttempt.getResultAttempt() ==
                resultAttempt.getMultiplication().getFactorA() *
                resultAttempt.getMultiplication().getFactorB();
    }

    @Autowired public  MultiplicationServiceImpl(final RandomGeneratorService randomGeneratorService);

}