void (String[] args) { BigDecimal[] something = new BigDecimal[2]; java.math.BigDecimal[] something2 = new BigDecimal[2]; something[0] = new BigDecimal(1.0); something[1] = new BigDecimal(1.0); Prorator prorator = new Prorator(); // --------------------------------------------------- // the line below should've been found, in my opinion. // -------------------------------------------------- prorator.prorate(something); prorator.prorate(something2); prorator.prorate(something[0]); prorator.prorate(something[1]); prorator.prorate(something[0]); }