Java Utililty Methods Calendar Create

Calendar calendar = new GregorianCalendar(TimeZone.getTimeZone("GMT+09:00"), Locale.KOREA);
calendar.setTime(new Date());
return calendar;

Calendar c = CACHED_CALENDAR.get();
if (c == null) {
    c = Calendar.getInstance();
    CACHED_CALENDAR.set(c);
c.clear();
return c;

Calendar calendar = skipConversion ? Calendar.getInstance(TimeZone.getTimeZone("UTC"))
        : Calendar.getInstance();
calendar.clear(); 
return calendar;

return skipConversion ? getLocalCalendar() : getGMTCalendar();

cal.add(Calendar.DATE, relativeDay);
return cal;

if (null == dateAndTime) {
    return null;
Calendar cal = (Calendar) Calendar.getInstance(UTC).clone();
cal.setTime(dateAndTime);
return cal;

return getCalendar(new Date(timeInMillis));

final StringTokenizer st = new StringTokenizer(isodate, "-T:.+Z", true);
final Calendar calendar = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
calendar.clear();
try {
    if (st.hasMoreTokens()) {
        final int year = Integer.parseInt(st.nextToken());
        calendar.set(Calendar.YEAR, year);
    } else {
...

Calendar cal = Calendar.getInstance();
cal.set(Calendar.DAY_OF_MONTH, d);
cal.set(Calendar.MONTH, m);
cal.set(Calendar.YEAR, y);
return cal;

Calendar cal = new GregorianCalendar();
cal.set(Calendar.DAY_OF_WEEK, dayOfWeek);
cal.set(Calendar.HOUR_OF_DAY, atHour);
cal.set(Calendar.MINUTE, atMinute);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MILLISECOND, 0);
return cal;