Java Utililty Methods Calendar Create

List of utility methods to do Calendar Create

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Description

The list of methods to do Calendar Create are organized into topic(s).

Method

CalendarcreateCalendar(int year, int month, int day)
create Calendar 
Calendar dateTime = Calendar.getInstance();
dateTime.clear();
dateTime.set(year, month, day);
return dateTime;
CalendarcreateCalendar(int year, int month, int day, int hour, int minute, int second, boolean ceiling)
Creates a calendar in the given year. 
Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
cal.set(Calendar.YEAR, year);
fillInField(Calendar.MONTH, month - 1, ceiling, cal);
fillInField(Calendar.DAY_OF_MONTH, day, ceiling, cal);
fillInField(Calendar.HOUR_OF_DAY, hour, ceiling, cal);
fillInField(Calendar.MINUTE, minute, ceiling, cal);
fillInField(Calendar.SECOND, second, ceiling, cal);
fillInField(Calendar.MILLISECOND, -1, ceiling, cal);
...
CalendarcreateCalendar(int year, int month, int dayOfMonth, int hourOfDay, int minute, int second)
create Calendar 
return new GregorianCalendar(year, month, dayOfMonth, hourOfDay, minute, second);
CalendarcreateCalendar(long timeInMillis)
create Calendar 
Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(timeInMillis);
calendar.setMinimalDaysInFirstWeek(calculateMinimalDaysInFirstWeek(calendar));
return calendar;
CalendarcreateCalendarFromParts(String[] parts)
create Calendar From Parts 
Calendar calendar = Calendar.getInstance();
calendar.setTimeZone(TimeZone.getDefault());
calendar.set(Calendar.YEAR, Integer.parseInt(parts[YEAR]));
calendar.set(Calendar.MONTH, Integer.parseInt(parts[MONTH]) - 1);
calendar.set(Calendar.DAY_OF_MONTH, Integer.parseInt(parts[DAY]));
calendar.set(Calendar.HOUR_OF_DAY, Integer.parseInt(parts[HOUR]));
calendar.set(Calendar.MINUTE, Integer.parseInt(parts[MINUTE]));
calendar.set(Calendar.SECOND, 0);
...
CalendarcreateCalendarInstance(final Locale locale)
Create a calendar instance that uses mondays or sundays as the first day of the week depending on the given locale and sets the week number 1 to the first week in the year that has four days of january. 
final Calendar cal = Calendar.getInstance(locale);
cal.setMinimalDaysInFirstWeek(4);
return cal;
CalendarcreateCalendarMidnight(final Date date)
Creates a calendar with hour, minute, second, millisecond set to zero for given Date. 
Calendar cal = new GregorianCalendar(getTimeZone("GMT+0"));
cal.setTime(date);
cal.set(HOUR_OF_DAY, 0);
cal.set(MINUTE, 0);
cal.set(SECOND, 0);
cal.set(MILLISECOND, 0);
return cal;
CalendarcreateCalendarWith()
create Calendar With 
final Calendar cal = Calendar.getInstance(tz);
return cal;
StringBuildercreateDateFormatString(Calendar cal)
create Date Format String 
String postfix = getDayOfMonthPostfix(cal);
StringBuilder builder = new StringBuilder();
builder.append("d'").append(postfix).append(" of' MMMM yyyy '@' HH:mm zzz");
return builder;
StringcreateDateStr(Calendar calendar)
create Date Str 
int monthInt = calendar.get(Calendar.MONTH) + 1;
String monthStr = monthInt < 10 ? "0" + monthInt : "" + monthInt;
int dayInt = calendar.get(Calendar.DAY_OF_MONTH);
String dayStr = dayInt < 10 ? "0" + dayInt : "" + dayInt;
String dateStr = calendar.get(Calendar.YEAR) + DATE_DELIMITER + monthStr + DATE_DELIMITER + dayStr;
return dateStr;