public class Spelling { public static String writeRub(float rub) { int decRubl = (int) rub % 100; int ones = decRubl % 10; int tens = decRubl / 10; if (ones == 1 && tens != 1) { return " рубль"; } else if (ones >= 2 && ones <= 4 && tens != 1) { return " рубля"; } else { return " рублей"; } } }