Convert the Given Number to Word Form

NumberToWord.java

/*
Accept a number less than 100 and convert it into word form
Eg:
    input: 45
    output: forty-five

    input: 100
    output: Out of Range!
*/

import java.util.Scanner;

class NumberToWord {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        System.out.println("Enter a number less than 100: ");
        int number = sc.nextInt();

        if (number >= 100 || number < 0) {
            System.out.println("Out of Range!");
            return;
        }

        String[] units = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" };
        String[] teens = { "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen",
                "eighteen", "ninteen" };
        String[] tens = { "twenty", "thirty", "fourty", "fifty", "sixty", "seventy", "eighty", "ninty" };

        String word = "";

        if (number >= 0 && number < 10)
            word = units[number];

        else if (number >= 10 && number < 20)
            word = teens[number - 10];

        else if (number >= 20 && number < 100) {
            int tensDigit = number / 10;
            int unitsDigit = number % 10;

            word = tens[tensDigit - 2];

            if (unitsDigit > 0)
                word += "-" + units[unitsDigit];
        }

        System.out.println(word);
    }
}