Integer to Roman(JAVA)

 public String intToRoman(int num) {
       int[] values={1000,900,500,400,100,90,50,40,10,9,5,4,1};
         String[] roman={"M","CM","D","CD","C","XC","L","XL","X","IX","V","IV","I"};
         String result="";
         for(int i=0;i<values.length;i++)
         {
             while(num-values[i]>=0)
             {
                 num-=values[i];
                 result+=roman[i];
             }

         }
         return result;
     }