Calendar, DATE, TIMEZONE, SimpleDateFormat

package study.ExDate;

import java.util.Calendar;

import java.util.Date;

import java.util.Locale;

import java.util.TimeZone;

/**

 * @author admin

 *

 */

public class UtilCalendar {

private static Calendar cal = Calendar.getInstance();

/**

* 현재 연월일 시분초 밀리세컨드까지 가져오는 메소드

*/

public static void getSamDate() {

disDate();

}

public static void getSetDate() {

Date date = new Date();

// 5초 추가

date.setTime(5000);

// 현재시간에 5초로 시간 설정

cal.setTime(date);

// 년

disDate();

}

/**

* 지역을 찾아서 영국과의 시간차를 빼기위한 메소드

*/

public static void getDateLocale() {

Locale lo = Locale.getDefault();

System.out.println(cal.get(Calendar.YEAR));

System.out.println(cal.get(Calendar.MONTH) + 1);

System.out.println(cal.get(Calendar.DATE) + "일");

System.out.println(cal.get(Calendar.AM_PM) + "오전오후");

if (lo.getCountry().equals("KR") && lo.getLanguage().equals("ko")) {

System.out.println(cal.get(Calendar.HOUR) - 9 + "시간");

} else {

System.out.println(cal.get(Calendar.HOUR) + "시간");

}

System.out.println(cal.get(Calendar.MINUTE) + "분");

System.out.println(cal.get(Calendar.SECOND) + "초");

System.out.println(cal.get(Calendar.MILLISECOND) + "세컨드");

System.out.println(cal.getTimeInMillis() + "");

}

public static void getUkDate() {

// 다시 객체 생성

cal = Calendar.getInstance();

TimeZone zone = TimeZone.getTimeZone("Europe/London");

cal.setTimeZone(zone);

disDate();

}

public static void useContryDate() {

String[] local = TimeZone.getAvailableIDs();

for (String s : local) {

System.out.println(s);

}

}

public static void disDate() {

// 년

System.out.println(cal.get(Calendar.YEAR));

System.out.println(cal.get(Calendar.MONTH) + 1);

System.out.println(cal.get(Calendar.DATE) + "일");

System.out.println(cal.get(Calendar.AM_PM) + "오전오후");

System.out.println(cal.get(Calendar.HOUR) + "시간");

System.out.println(cal.get(Calendar.MINUTE) + "분");

System.out.println(cal.get(Calendar.SECOND) + "초");

System.out.println(cal.get(Calendar.MILLISECOND) + "세컨드");

System.out.println(cal.getTimeInMillis() + "");

}

}