public class Format { public String getFormattedTextRUB(double cost) { int costRound = (int ) Math.floor(cost); if (costRound%100 >= 11 && costRound%100 <= 19) { return "рублей"; } else{ switch (costRound % 10) { case 1: return "рубль"; case 2: return "рубля"; case 3: return "рубля"; case 4: return "рубля"; case 5: return "рублей"; case 6: return "рублей"; case 7: return "рублей"; case 8: return "рублей"; case 9: return "рублей"; case 0: return "рублей"; default:return "рублей"; } } } }