HackerRank之Java Currency Formatter

Given a double-precision number, payment, denoting an amount of money, use the NumberFormat class' getCurrencyInstance method to convert payment 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 formattedPayment  is payment 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).

Input Format

A single double-precision number denoting .

Output Format

On the first line, print US: u where  is  formatted for US currency. 
On the second line, print India: i where  is  formatted for Indian currency. 
On the third line, print China: c where  is  formatted for Chinese currency. 
On the fourth line, print France: f, where  is  formatted for French currency.

Answer

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();

        // Write your code here.
        Locale local = new Locale("en","IN");
        NumberFormat nf1=NumberFormat.getCurrencyInstance(Locale.US);
        NumberFormat nf2=NumberFormat.getCurrencyInstance(Locale.CHINA);
        NumberFormat nf3=NumberFormat.getCurrencyInstance(Locale.FRANCE);
        NumberFormat nf4=NumberFormat.getCurrencyInstance(local);
        String us=nf1.format(payment);
        String china=nf2.format(payment);
        String france=nf3.format(payment);
        String india=nf4.format(payment);

        System.out.println("US: " + us);
        System.out.println("India: " + india);
        System.out.println("China: " + china);
        System.out.println("France: " + france);
    }
}

 

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