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Raj
More Enhacement To The Solution..,
September 25, 2008 at 1:03 AM

import java.util.HashMap;

public class NumberToWords{
static final String[] Number1 = {""," Hundred"};
static final String[] Number2 = {"","One","Two", "Three","Four","Five", " Six"," Seven", "Eight"," Nine","Ten" };

static HashMap<Integer,String> numHash = new HashMap<Integer,String> ();

String number(int number){
String str;
if (number % 100 < 10){
str = Number2[number % 100];
number /= 100;
}
else{

if( (number % 10) == 0){
return Number2[number / 10] + " zero";
}
else{
str = Number2[number % 10];
number /= 10;
if (number == 0) return str ;
return Number2[number] + " " + str;
}
}
if (number == 0) return str;
return Number2[number] + "hundred" + str;
}

private void setHash(){
numHash.put(11, "Eleven");
numHash.put(12, "Twelve");
numHash.put(13, "Thirteen");
numHash.put(14, "Fourteen");
numHash.put(15, "Fifteen");
numHash.put(16, "Sixteen");
numHash.put(17, "Seventeen");
numHash.put(18, "Eighteen");
numHash.put(19, "Nineteen");
}
private String convert(int number) {

if(number < 0 || number > 999)
return "Invalid Number - Should be (0-999)";

if (number == 0){
return "zero";
}
String pre = "";
String str1 = "";
int i = 0;
if( (number > 10 && number < 19)){
return numHash.get(number);
}else{
do {
int n = number % 100;
if (n != 0){
String s = number(n);
str1 = s + Number1[i] + str1;
}
i++;
number /= 100;
}
while (number > 0);
}

return (pre + str1).trim();
}
public static void main(String[] args) {
NumberToWords num = new NumberToWords();
num.setHash();
System.out.println("words is :=" + num.convert(10));
System.out.println("words is :=" + num.convert(200));
System.out.println("words is :=" + num.convert(999));
System.out.println("words is :=" + num.convert(20));
System.out.println("words is :=" + num.convert(179));
System.out.println("words is :=" + num.convert(44));
System.out.println("words is :=" + num.convert(-12));
System.out.println("words is :=" + num.convert(9221));
}
}
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