Timestamp in Millis to Date

import java.util.Date;
import java.util.Calendar;

class Main {
    
    // MySQL
    // select FROM_UNIXTIME(1584705526985 * 0.001) -- timestamp in millis
    
    public static void main(String[] args) {
        long timestamp = 1584705526985L;
        Date date = new Date(timestamp );
        
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        
        System.out.println(date);
        System.out.println("Year: " + calendar.get(Calendar.YEAR));
        System.out.println("Month: " + (calendar.get(Calendar.MONTH)+1) );
    }
}