public class Formatter { public static String get(double sum) { int i = (int) sum % 100; int i1 = i % 10; int i2 = i / 10; if ((i1 == 1) && (i2 != 1)) return "рубль"; else if ((i1 > 1) && (i1 < 5) && (i2 != 1)) return "рубля"; else return "рублей"; } }