import java.util.Locale;

public class FormatAngka {
    public static void main(String[] args) {
        long penduduk = 277523122;
        double pendapatan = 12500000.0;

        System.out.printf("Locale default: %s%n", Locale.getDefault());
        System.out.printf("Penduduk      : %,d%n", penduduk);
        System.out.printf("Pendapatan    : %,.2f%n", pendapatan);
        System.out.printf(Locale.US, "Locale US    : %,d | %,.2f%n", penduduk, pendapatan);
        System.out.printf(Locale.of("id", "ID"), "Locale id-ID : %,d | %,.2f%n", penduduk, pendapatan);
    }
}