integer to roman geeksforgeeks

// Java Program for above approach 
  
class GFG 
{ 
    // Function to calculate roman equivalent 
    static String intToRoman(int num)  
    {  
        // storing roman values of digits from 0-9  
        // when placed at different places 
        String m[] = {"", "M", "MM", "MMM"}; 
        String c[] = {"", "C", "CC", "CCC", "CD", "D",  
                            "DC", "DCC", "DCCC", "CM"}; 
        String x[] = {"", "X", "XX", "XXX", "XL", "L",  
                            "LX", "LXX", "LXXX", "XC"}; 
        String i[] = {"", "I", "II", "III", "IV", "V",  
                            "VI", "VII", "VIII", "IX"}; 
              
        // Converting to roman 
        String thousands = m[num/1000]; 
        String hundereds = c[(num%1000)/100]; 
        String tens = x[(num%100)/10]; 
        String ones = i[num%10]; 
              
        String ans = thousands + hundereds + tens + ones; 
              
        return ans; 
    } 
      
    // Driver program to test above function 
    public static void main(String []args) 
    { 
        int number = 3549; 
        System.out.println(intToRoman(number)); 
          
    } 
  
}