Jan 14-integer to Roman; String; Integer; Math;

public class Solution {public String inttoroman (int num) {int[] digits = new INT[4];        int i = 0;        String s = "";        Digits[i] = num%10;        while (num = NUM/10) > 0) {digits[++i] = num%10; } for (int j = 0; J <= I; j + +) {if (j = = 0) {switch (Digits[j]) {CAs                            E 1:s = s + "I";                    Break                            Case 2:s = s + "II";                    Break                            Case 3:s = s + "III";                    Break                            Case 4:s = s + "IV";                    Break                            Case 5:s = s + "V";                    Break                            Case 6:s = s + "VI";                    Break                            Case 7:s = s + "VII";                    Break                            Case 8:s = s + "VIII";                    Break                 Case 9:s = s + "IX";           Break                Default:break;                            }} else if (j = = 1) {switch (Digits[j]) {Case 1:s = "X" + S;                    Break                            Case 2:s = "XX" + S;                    Break                            Case 3:s = "XXX" + S;                    Break                            Case 4:s = "XL" + S;                    Break                            Case 5:s = "L" + S;                    Break                            Case 6:s = "LX" + S;                    Break                            Case 7:s = "LXX" + S;                    Break                            Case 8:s = "LXXX" + S;                    Break                            Case 9:s = "XC" + S;                    Break                Default:break;            }} else if (j = = 2) {switch (Digits[j]) {Case 1:s = "C" + S;                Break                            Case 2:s = "CC" + S;                    Break                            Case 3:s = "CCC" + S;                    Break                            Case 4:s = "CD" + S;                    Break                            Case 5:s = "D" + S;                    Break                            Case 6:s = "DC" + S;                    Break                            Case 7:s = "DCC" + S;                    Break                            Case 8:s = "DCCC" + S;                    Break                            Case 9:s = "CM" + S;                    Break                Default:break;                            }} else{switch (Digits[j]) {Case 1:s = "M" + S;                    Break                            Case 2:s = "MM" + S;                    Break                            Case 3:s = "MMM" + S;                    Break Default:break;    }}} return s; }}

　　

Jan 14-integer to Roman; String; Integer; Math;