it works on java 7, or java 8

`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 sc=new Scanner(System.in);
    double input=sc.nextDouble();

    NumberFormat n1=NumberFormat.getCurrencyInstance(Locale.US);
    NumberFormat n2 = NumberFormat.getCurrencyInstance(new Locale("en","IN"));

    NumberFormat n3=NumberFormat.getCurrencyInstance(Locale.CHINA);
    NumberFormat n4=NumberFormat.getCurrencyInstance(Locale.FRANCE);
    System.out.println("US: "+n1.format(input));
    System.out.println("India: "+n2.format(input));
    System.out.println("China: "+n3.format(input));
    System.out.println("France: "+n4.format(input));
}

}`