public class Formater { public String format; public String formater(double test) { int rub = (int) (test % 100); if (test >= 11 && test <= 19) { return "рублей"; } else { rub = (int) (test % 10); if (rub == 1) { format = "рубль"; } else if (rub > 1 && rub <= 4) { format = "рубля"; } else if (rub >= 5 && rub <= 9) { format = "рублей"; } else if (rub == 0) { format = "рублей"; } } return format; } }