Package java.util

Class GregorianCalendar

java.lang.Object

java.util.Calendar

java.util.GregorianCalendar

All Implemented Interfaces:

Cloneable

public class GregorianCalendar
extends Calendar
implements Cloneable

Field Summary

Fields

Modifier and Type	Field	Description
static final int	AD	Value of the ERA field indicating the common era (Anno Domini), also known as CE.
static final int	BC	Value of the ERA field indicating the period before the common era (before Christ), also known as BCE.
protected static final long	ONE_DAY

Fields inherited from class java.util.Calendar

AM, AM_PM, APRIL, AUGUST, DATE, DAY_OF_MONTH, DAY_OF_WEEK, DAY_OF_WEEK_IN_MONTH, DAY_OF_YEAR, DECEMBER, ERA, FEBRUARY, FRIDAY, HOUR, HOUR_OF_DAY, JANUARY, JULY, JUNE, MARCH, MAY, MILLISECOND, MINUTE, MONDAY, MONTH, NOVEMBER, OCTOBER, PM, SATURDAY, SECOND, SEPTEMBER, SUNDAY, THURSDAY, TUESDAY, UNDECIMBER, WEDNESDAY, WEEK_OF_MONTH, WEEK_OF_YEAR, YEAR

Constructor Summary

Constructors

Constructor	Description
GregorianCalendar()

Method Summary

Modifier and Type	Method	Description
void	add(int field, int value)
void	clear()
Object	clone()
void	computeFields()
void	computeTime()
int	get(int field)
Date	getTime()	Returns a Date object representing this Calendar's time value (millisecond offset from the Epoch").
long	getTimeInMillis()	Returns this Calendar's time value in milliseconds.
void	set(int field, int value)	Sets the given calendar field to the given value.
void	setTime(Date date)	Sets this Calendar's time with the given Date.
void	setTimeInMillis(long millis)	Sets this Calendar's current time from the given long value.

Methods inherited from class java.util.Calendar

after, before, compareTo, equals, getActualMaximum, getActualMinimum, getFirstDayOfWeek, getInstance, getMinimalDaysInFirstWeek, isLenient, setFirstDayOfWeek, setLenient, setMinimalDaysInFirstWeek

Methods inherited from class java.lang.Object

finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

BC

public static final int BC

Value of the ERA field indicating the period before the common era (before Christ), also known as BCE. The sequence of years at the transition from BC to AD is ..., 2 BC, 1 BC, 1 AD, 2 AD,...

See Also:

• Calendar.ERA
• Constant Field Values

AD

public static final int AD

Value of the ERA field indicating the common era (Anno Domini), also known as CE. The sequence of years at the transition from BC to AD is ..., 2 BC, 1 BC, 1 AD, 2 AD,...

See Also:

• Calendar.ERA
• Constant Field Values

ONE_DAY

protected static final long ONE_DAY

See Also:

• Constant Field Values

Constructor Details

GregorianCalendar

public GregorianCalendar()

Method Details

clone

public Object clone()

Specified by:

clone in class Calendar

clear

public void clear()

Specified by:

clear in class Calendar

computeFields

public void computeFields()

computeTime

public void computeTime()

getTime

public Date getTime()

Description copied from class: Calendar

Returns a Date object representing this Calendar's time value (millisecond offset from the Epoch").

Specified by:

getTime in class Calendar

Returns:

a Date representing the time value.

See Also:

• Calendar.setTime(Date)
• Calendar.getTimeInMillis()

setTime

public void setTime(Date date)

Description copied from class: Calendar

Sets this Calendar's time with the given Date.

Note: Calling setTime() with Date(Long.MAX_VALUE) or Date(Long.MIN_VALUE) may yield incorrect field values from get().

Specified by:

setTime in class Calendar

Parameters:

date - the given Date.

See Also:

• Calendar.getTime()
• Calendar.setTimeInMillis(long)

setTimeInMillis

public void setTimeInMillis(long millis)

Description copied from class: Calendar

Sets this Calendar's current time from the given long value.

Specified by:

setTimeInMillis in class Calendar

Parameters:

millis - the new time in UTC milliseconds from the epoch.

See Also:

• Calendar.setTime(Date)
• Calendar.getTimeInMillis()

getTimeInMillis

public long getTimeInMillis()

Description copied from class: Calendar

Returns this Calendar's time value in milliseconds.

Specified by:

getTimeInMillis in class Calendar

Returns:

the current time as UTC milliseconds from the epoch.

See Also:

• Calendar.getTime()
• Calendar.setTimeInMillis(long)

get

public int get(int field)

Specified by:

get in class Calendar

set

public void set(int field,
 int value)

Description copied from class: Calendar

Sets the given calendar field to the given value. The value is not interpreted by this method regardless of the leniency mode.

Specified by:

set in class Calendar

Parameters:

field - the given calendar field.

value - the value to be set for the given calendar field.

See Also:

• Calendar.get(int)

add

public void add(int field,
 int value)

Specified by:

add in class Calendar