Java Date abd Currency Format

main.java

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.text.NumberFormat;
import java.util.Date;
import java.util.Locale;

public class main {
  public static void main(String[] args){
    // 1. Current Date
    Date date = new Date();
    
    // 2. Create locales pt-BR and US
    Locale brazilLocale = new Locale("pt", "BR");
    Locale usLocale = new Locale("en", "US");
    
    // 3. Display Date short format
    DateFormat dfBR = new SimpleDateFormat("DD/MM/YYYY HH:mm", brazilLocale); 
    DateFormat dfUS = new SimpleDateFormat("MM/DD/YYYY hh:mm aa", usLocale); 
    
    System.out.println("-----");
    System.out.println("[BR] " + dfBR.format(date));
    System.out.println("[US] " + dfUS.format(date));
    System.out.println("-----");

    // 04 Display Date medium format

    dfBR = new SimpleDateFormat("DD MMM - HH:mm", brazilLocale); 
    dfUS = new SimpleDateFormat("MMM DD - hh:mm aa", usLocale); 

    System.out.println("[BR] " + dfBR.format(date));
    System.out.println("[US] " + dfUS.format(date));
    System.out.println("-----");

    //  05 Display Date large format

    dfBR = new SimpleDateFormat("EEEE DD MMM 'às' HH:mm", brazilLocale); 
    dfUS = new SimpleDateFormat("EEEE DD MMM 'at' hh:mm aa", usLocale); 

    System.out.println("[BR] " + dfBR.format(date));
    System.out.println("[US] " + dfUS.format(date));
    System.out.println("-----");

    // 06 Display Currency Format

    double[] numbers = {1.0, 10.0, 100.0, 1000.0, 10000.0, 100000.0, 1000000.0};
    
    NumberFormat nfBR = NumberFormat.getCurrencyInstance(brazilLocale);
    NumberFormat nfUS = NumberFormat.getCurrencyInstance(usLocale);
    
    for(double number : numbers){
      System.out.println("[BR] " + nfBR.format(number));
      System.out.println("[US] " + nfUS.format(number));
      System.out.println("-----");
    } 
  }
}

output.txt

-----
[BR] 11/01/2021 17:30
[US] 01/11/2021 05:30 PM
-----
[BR] 11 jan - 17:30
[US] Jan 11 - 05:30 PM
-----
[BR] Segunda-feira 11 jan às 17:30
[US] Monday 11 Jan at 05:30 PM
-----
[BR] R$ 1,00
[US] $1.00
-----
[BR] R$ 10,00
[US] $10.00
-----
[BR] R$ 100,00
[US] $100.00
-----
[BR] R$ 1.000,00
[US] $1,000.00
-----
[BR] R$ 10.000,00
[US] $10,000.00
-----
[BR] R$ 100.000,00
[US] $100,000.00
-----
[BR] R$ 1.000.000,00
[US] $1,000,000.00
-----