/** * Checks if this money value is positive. * * @return true if number is positive */ public boolean isPositive() { return signum() > 0; }
/** * Checks if this money value is zero. * * @return true if number is zero */ public boolean isZero() { return signum() == 0; }
/** * Checks if this money value is negative. * * @return true if number is negative */ public boolean isNegative() { return signum() < 0; }