Algo #112: Number to Words

Problem Statement:
       Given a number convert it to words.
         
e.g. 1327  as One thousand three hundred twenty seven


Solution:

Implementation:
        

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/**  * Convert a given number to a word  * @author PRATEEK  */ public class NumberToWord {    private static String ones[] = { " ", " one", " two", " three", " four",    " five", " six", " seven", " eight", " Nine", " ten", " eleven",    " twelve", " thirteen", " fourteen", "fifteen", " sixteen",    " seventeen", " eighteen", " nineteen" };    private static String tens[] = { " ", " ", " twenty", " thirty", " forty",    " fifty", " sixty", "seventy", " eighty", " ninety" };       private static void word(StringBuilder result , int val, String place) {   if (val > 19)    result.append(tens[val / 10] + " " + ones[val % 10]);   else    result.append(ones[val]);   if (val > 0)    result.append(place);  }    public static String convertToWord(int num)  {   if (num <= 0)    return "";       StringBuilder result = new StringBuilder("");   word(result, num / 1000000000, " Hundred");   word(result, (num / 10000000) % 100, " crore");   word(result ,(num / 100000) % 100, " lakh");   word(result, (num / 1000) % 100, " thousand");   word(result,(num / 100) % 10, " hundred");   word(result,num % 100, " ");   System.out.println(num + " --> "+result.toString().trim());   return result.toString().trim();  }     public static void main(String[] args) {   convertToWord(117);   convertToWord(1327);  } }

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Happy Coding !! :)