package string; public class ToRomanNumbers { public static void main(String[] args) { System.out.println(toRoman(121)); } static String toRoman(int num) { String[] thousands = new String[] {"", "M", "MM", "MMM"}; String[] hundreds = new String[] {"", "C", "CC", "CCC"}; String[] tens = new String[] {"", "X", "XX", "XXX"}; String[] units = new String[] {"", "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX"}; /* * System.out.println(thousands[num /1000]); System.out.println(hundreds [(num % * 1000)/100]); System.out.println(tens[(num%100)/10]); * System.out.println(units[num%10]); */ return thousands[num /1000]+ hundreds[(num % 1000)/100]+ tens[(num%100)/10]+units[num%10]; } }