Print number in words [closed]

Answer 1

Here is the code in Java:

private static String[] DIGIT_WORDS = {
    "zero", "one", "two", "three", "four",
    "five", "six", "seven", "eight", "nine" };
private static String[] TENS_WORDS = {
    "ten", "twenty", "thirty", "forty", "fifty",
    "sixty", "seventy", "eighty", "ninety" };
private static String[] TEENS_WORDS = {
    "ten", "eleven", "twelve", "thirteen", "fourteen",
    "fifteen", "sixteen", "seventeen", "eighteen", "nineteen" };

private static String getHundredWords(int num) {
    if (num > 999 || num < 0)
        throw new IllegalArgumentException(
            "Cannot get hundred word of a number not in the range 0-999");
    if (num == 0) return "zero";        
    String ret = "";
    if (num > 99) {
        ret += DIGIT_WORDS[num / 100] + " hundred ";
        num %= 100;
    }
    if (num < 20 && num > 9) {
        ret += TEENS_WORDS[num % 10];
    } else if (num < 10 && num > 0) {
        ret += DIGIT_WORDS[num];
    } else if (num != 0) {
        ret += TENS_WORDS[num / 10 - 1];
        if (num % 10 != 0) {
        ret += " " + DIGIT_WORDS[num % 10];
    }}

    return ret;
}