import java.util.*;
import java.lang.*;
import java.io.*;
import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.Locale;

// The main method must be in a class named "Main".
class Main {
    public static void main(String[] args) {
        try{
            System.out.println("Hello world!");
        Date date = new Date();
        System.out.println(date);
        SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd");
        String italo = formatter.format(date);
        Date its = formatter.parse("20240404");
        LocalDate localdate = LocalDate.now().minusDays(1);

        final DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyyMMdd", Locale.ENGLISH);
        String dateAyer = DateTimeFormatter.ofPattern("yyyyMMdd", Locale.ENGLISH).format(localdate);

        
        System.out.println("Procesar con fecha: " + italo);
        System.out.println("Procesar con fecha 2: " + its);
        System.out.println("Procesar con fecha 3: " + dtf.format(localdate));    
        } catch(Exception ex) {
            System.out.println(ex.getMessage());
        }
    }
}