package webapp;
import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;

    public class MainDate {
        public static void main(String[] args) {
            long start = System.currentTimeMillis();
            Date date = new Date();
            System.out.println(date);
            System.out.println(System.currentTimeMillis() - start);
            Calendar cal = Calendar.getInstance();
            cal.setTimeZone(TimeZone.getTimeZone("America/Los_Angeles"));
            System.out.println(cal.getTime());

            LocalDate ld = LocalDate.now();
            LocalTime lt = LocalTime.now();
            LocalDateTime ldt = LocalDateTime.of(ld, lt);
            System.out.println(ldt);


            SimpleDateFormat sdf = new SimpleDateFormat("YY/MM/dd");
            System.out.println(sdf.format(date));

            DateTimeFormatter dtf = DateTimeFormatter.ofPattern("MM/YY/dd");
            System.out.println(dtf.format(ldt));
        }
    }