HackerRank Java Currency Formatter problem solution

HackerRank Java Currency Formatter problem solution – Given a double-precision number, , denoting an amount of money, use the NumberFormat class’ getCurrencyInstance method to convert  into the US, Indian, Chinese, and French currency formats. Then print the formatted values as follows:

US: formattedPayment
India: formattedPayment
China: formattedPayment
France: formattedPayment

where  is  formatted according to the appropriate Locale‘s currency.

Note: India does not have a built-in Locale, so you must construct one where the language is en (i.e., English).

HackerRank Java Currency Formatter problem solution.

import java.util.*;
import java.text.*;

public class Solution {
    
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double payment = scanner.nextDouble();
        scanner.close();
        
        // Write your code here.
        /* Create custom Locale for India. 
          I used the "IANA Language Subtag Registry" to find India's country code */
        Locale indiaLocale = new Locale("en", "IN");

        /* Create NumberFormats using Locales */
        NumberFormat us     = NumberFormat.getCurrencyInstance(Locale.US);
        NumberFormat india  = NumberFormat.getCurrencyInstance(indiaLocale);
        NumberFormat china  = NumberFormat.getCurrencyInstance(Locale.CHINA);
        NumberFormat france = NumberFormat.getCurrencyInstance(Locale.FRANCE);

        /* Print output */        
        System.out.println("US: "     + us.format(payment));
        System.out.println("India: "  + india.format(payment));
        System.out.println("China: "  + china.format(payment));
        System.out.println("France: " + france.format(payment));
    
    }
}

Second solution in java8 programming.

import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {
    
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double payment = scanner.nextDouble();
        scanner.close();
        NumberFormat usNumbers = NumberFormat.getCurrencyInstance(Locale.US);
        NumberFormat indiaNumbers = NumberFormat.getCurrencyInstance(new Locale("en", "IN"));
        System.out.printf("US format = %s%n", usNumbers.format(payment));
        System.out.printf("India format = %s%n", indiaNumbers.format(payment));
    }
}