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Convert fare to words in Java

Sumit Rawal answered on September 2, 2023 Popularity 1/10 Helpfulness 1/10

answer Convert fare to words in Java

Convert fare to words in Java

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public class FareToWords {
    private static final String[] UNITS = {
        "", "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine"
    };

    private static final String[] TEENS = {
        "Ten", "Eleven", "Twelve", "Thirteen", "Fourteen", "Fifteen", "Sixteen", "Seventeen", "Eighteen", "Nineteen"
    };

    private static final String[] TENS = {
        "", "", "Twenty", "Thirty", "Forty", "Fifty", "Sixty", "Seventy", "Eighty", "Ninety"
    };

    private static final String[] THOUSANDS = {"", "Thousand", "Million", "Billion"};

    public static String fareToWords(double fare) {
        int dollars = (int) fare;
        int cents = (int) ((fare - dollars) * 100);

        String dollarWords = convertToWords(dollars);
        String centWords = convertToWords(cents);

        return (dollarWords.isEmpty() ? "" : dollarWords + " Dollars")
             + (centWords.isEmpty() ? "" : " and " + centWords + " Cents");
    }

    private static String convertToWords(int num) {
        if (num == 0) {
            return "Zero";
        }

        String words = "";
        int index = 0;

        while (num > 0) {
            if (num % 1000 != 0) {
                words = convertThreeDigits(num % 1000) + THOUSANDS[index] + " " + words;
            }
            num /= 1000;
            index++;
        }

        return words.trim();
    }

    private static String convertThreeDigits(int num) {
        if (num == 0) {
            return "";
        }

        String words = "";

        if (num >= 100) {
            words += UNITS[num / 100] + " Hundred ";
            num %= 100;
        }

        if (num >= 10 && num <= 19) {
            words += TEENS[num - 10] + " ";
        } else if (num >= 20) {
            words += TENS[num / 10] + " ";
            num %= 10;
        }

        if (num > 0) {
            words += UNITS[num] + " ";
        }

        return words;
    }

    public static void main(String[] args) {
        double fare = 12345.67;
        String words = fareToWords(fare);
        System.out.println("Fare in words: " + words);
    }
}

Popularity 1/10 Helpfulness 1/10 Language scala

Source: chat.openai.com

Tags: fare java scala words

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Contributed on Sep 02 2023

Sumit Rawal

0 Answers Avg Quality 2/10

Convert fare to words in Java

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