Integer to Roman(JAVA)

 1 public String intToRoman(int num) {
 2       int[] values={1000,900,500,400,100,90,50,40,10,9,5,4,1};
 3         String[] roman={"M","CM","D","CD","C","XC","L","XL","X","IX","V","IV","I"};
 4         String result="";
 5         for(int i=0;i<values.length;i++)
 6         {
 7             while(num-values[i]>=0)
 8             {
 9                 num-=values[i];
10                 result+=roman[i];
11             }
12             
13         }
14         return result;
15     }