DataStructure-Java/String/intToRoman.java at master · joharbatta/DataStructure-Java · GitHub

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import java.util.*;

public class intToRoman {

public static void main(String args[]) {

Scanner s = new Scanner(System.in);

int n = s.nextInt();

romanNumeral(n);

}

static void romanNumeral(int num) {

String thousands[] = {"", "M", "MM", "MMM"};

String hundreds[] = {"", "C", "CC", "CCC", "CD", "D",

"DC", "DCC", "DCCC", "CM"};

String tens[] = {"", "X", "XX", "XXX", "XL", "L",

"LX", "LXX", "LXXX", "XC"};

String ones[] = {"", "I", "II", "III", "IV", "V",

"VI", "VII", "VIII", "IX"};

System.out.print(thousands[num/1000]);

System.out.print(hundreds[(num%1000)/100]);

System.out.print(tens[(num%100)/10]);

System.out.print(ones[num%10]);

}

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