Calendar Demo : Calendar Date « Development Class « Java

Calendar Demo

Calendar Demo

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

public class CalendarDemo {
  /** The Date we are about to format */
  Date timeNow;

   * A calendar formatting object, used throughout. Note that other forms of
   * the Calendar constructor let you pass in Locale, TimeZone, or both, or
   * yy,mm,dd,[hh, mm [, ss]] You can also set your own Daylight Saving rules,
   * fiddle the Gregorian cutover of 1582, and probably the phase of the moon!
  Calendar calendar = new GregorianCalendar();

  public static void main(String[] a) {
    new CalendarDemo().format();

  /** Construct a CalendarDemo object with the current date/time */
  CalendarDemo() {
    timeNow = new Date();

  public void format() {

    // Tell the calendar what date/time to format

    // print out most of the known fields
    System.out.println("ERA: " + calendar.get(Calendar.ERA));
    System.out.println("YEAR: " + calendar.get(Calendar.YEAR));
    System.out.println("MONTH: " + calendar.get(Calendar.MONTH));
    System.out.println("WEEK_OF_YEAR: "
        + calendar.get(Calendar.WEEK_OF_YEAR));
    System.out.println("WEEK_OF_MONTH: "
        + calendar.get(Calendar.WEEK_OF_MONTH));
    System.out.println("DATE: " + calendar.get(Calendar.DATE));
    System.out.println("DAY_OF_MONTH: "
        + calendar.get(Calendar.DAY_OF_MONTH));
        .println("DAY_OF_YEAR: " + calendar.get(Calendar.DAY_OF_YEAR));
        .println("DAY_OF_WEEK: " + calendar.get(Calendar.DAY_OF_WEEK));
    System.out.println("DAY_OF_WEEK_IN_MONTH: "
        + calendar.get(Calendar.DAY_OF_WEEK_IN_MONTH));
    System.out.println("AM_PM: " + calendar.get(Calendar.AM_PM));
    System.out.println("HOUR: " + calendar.get(Calendar.HOUR));
        .println("HOUR_OF_DAY: " + calendar.get(Calendar.HOUR_OF_DAY));
    System.out.println("MINUTE: " + calendar.get(Calendar.MINUTE));
    System.out.println("SECOND: " + calendar.get(Calendar.SECOND));
        .println("MILLISECOND: " + calendar.get(Calendar.MILLISECOND));
    System.out.println("ZONE_OFFSET: "
        + (calendar.get(Calendar.ZONE_OFFSET) / (60 * 60 * 1000)));
    System.out.println("DST_OFFSET: "
        + (calendar.get(Calendar.DST_OFFSET) / (60 * 60 * 1000)));


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