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Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Class DateFormatSymbols - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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java.text
Class DateFormatSymbols

java.lang.Object
  |
  +--java.text.DateFormatSymbols

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public class DateFormatSymbols

extends Object

implements Serializable, Cloneable

DateFormatSymbols is a public class for encapsulating localizable date-time formatting data, such as the names of the months, the names of the days of the week, and the time zone data. DateFormat and SimpleDateFormat both use DateFormatSymbols to encapsulate this information.

Typically you shouldn't use DateFormatSymbols directly. Rather, you are encouraged to create a date-time formatter with the DateFormat class's factory methods: getTimeInstance, getDateInstance, or getDateTimeInstance. These methods automatically create a DateFormatSymbols for the formatter so that you don't have to. After the formatter is created, you may modify its format pattern using the setPattern method. For more information about creating formatters using DateFormat's factory methods, see DateFormat.

If you decide to create a date-time formatter with a specific format pattern for a specific locale, you can do so with:

 new SimpleDateFormat(aPattern, new DateFormatSymbols(aLocale)).
 

DateFormatSymbols objects are clonable. When you obtain a DateFormatSymbols object, feel free to modify the date-time formatting data. For instance, you can replace the localized date-time format pattern characters with the ones that you feel easy to remember. Or you can change the representative cities to your favorite ones.

New DateFormatSymbols subclasses may be added to support SimpleDateFormat for date-time formatting for additional locales.

See Also:

DateFormat, SimpleDateFormat, SimpleTimeZone, Serialized Form

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Constructor Summary

DateFormatSymbols()           Construct a DateFormatSymbols object by loading format data from resources for the default locale.

DateFormatSymbols(Locale locale)           Construct a DateFormatSymbols object by loading format data from resources for the given locale.

 

Method Summary
Object	clone()           Overrides Cloneable
boolean	equals(Object obj)           Override equals
String[]	getAmPmStrings()           Gets ampm strings.
String[]	getEras()           Gets era strings.
String	getLocalPatternChars()           Gets localized date-time pattern characters.
String[]	getMonths()           Gets month strings.
String[]	getShortMonths()           Gets short month strings.
String[]	getShortWeekdays()           Gets short weekday strings.
String[]	getWeekdays()           Gets weekday strings.
String[][]	getZoneStrings()           Gets timezone strings.
int	hashCode()           Override hashCode.
void	setAmPmStrings(String[] newAmpms)           Sets ampm strings.
void	setEras(String[] newEras)           Sets era strings.
void	setLocalPatternChars(String newLocalPatternChars)           Sets localized date-time pattern characters.
void	setMonths(String[] newMonths)           Sets month strings.
void	setShortMonths(String[] newShortMonths)           Sets short month strings.
void	setShortWeekdays(String[] newShortWeekdays)           Sets short weekday strings.
void	setWeekdays(String[] newWeekdays)           Sets weekday strings.
void	setZoneStrings(String[][] newZoneStrings)           Sets timezone strings.

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

DateFormatSymbols

public DateFormatSymbols()

Construct a DateFormatSymbols object by loading format data from resources for the default locale.

Throws:

MissingResourceException - if the resources for the default locale cannot be found or cannot be loaded.

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DateFormatSymbols

public DateFormatSymbols(Locale locale)

Construct a DateFormatSymbols object by loading format data from resources for the given locale.

Throws:

MissingResourceException - if the resources for the specified locale cannot be found or cannot be loaded.

Method Detail

getEras

public String[] getEras()

Gets era strings. For example: "AD" and "BC".

Returns:

the era strings.

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setEras

public void setEras(String[] newEras)

Sets era strings. For example: "AD" and "BC".

Parameters:

newEras - the new era strings.

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getMonths

public String[] getMonths()

Gets month strings. For example: "January", "February", etc.

Returns:

the month strings.

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setMonths

public void setMonths(String[] newMonths)

Sets month strings. For example: "January", "February", etc.

Parameters:

newMonths - the new month strings.

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getShortMonths

public String[] getShortMonths()

Gets short month strings. For example: "Jan", "Feb", etc.

Returns:

the short month strings.

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setShortMonths

public void setShortMonths(String[] newShortMonths)

Sets short month strings. For example: "Jan", "Feb", etc.

Parameters:

newShortMonths - the new short month strings.

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getWeekdays

public String[] getWeekdays()

Gets weekday strings. For example: "Sunday", "Monday", etc.

Returns:

the weekday strings. Use Calendar.SUNDAY, Calendar.MONDAY, etc. to index the result array.

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setWeekdays

public void setWeekdays(String[] newWeekdays)

Sets weekday strings. For example: "Sunday", "Monday", etc.

Parameters:

newWeekdays - the new weekday strings. The array should be indexed by Calendar.SUNDAY, Calendar.MONDAY, etc.

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getShortWeekdays

public String[] getShortWeekdays()

Gets short weekday strings. For example: "Sun", "Mon", etc.

Returns:

the short weekday strings. Use Calendar.SUNDAY, Calendar.MONDAY, etc. to index the result array.

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setShortWeekdays

public void setShortWeekdays(String[] newShortWeekdays)

Sets short weekday strings. For example: "Sun", "Mon", etc.

Parameters:

newShortWeekdays - the new short weekday strings. The array should be indexed by Calendar.SUNDAY, Calendar.MONDAY, etc.

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getAmPmStrings

public String[] getAmPmStrings()

Gets ampm strings. For example: "AM" and "PM".

Returns:

the weekday strings.

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setAmPmStrings

public void setAmPmStrings(String[] newAmpms)

Sets ampm strings. For example: "AM" and "PM".

Parameters:

newAmpms - the new ampm strings.

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getZoneStrings

public String[][] getZoneStrings()

Gets timezone strings.

Returns:

the timezone strings.

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setZoneStrings

public void setZoneStrings(String[][] newZoneStrings)

Sets timezone strings.

Parameters:

newZoneStrings - the new timezone strings.

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getLocalPatternChars

public String getLocalPatternChars()

Gets localized date-time pattern characters. For example: 'u', 't', etc.

Returns:

the localized date-time pattern characters.

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setLocalPatternChars

public void setLocalPatternChars(String newLocalPatternChars)

Sets localized date-time pattern characters. For example: 'u', 't', etc.

Parameters:

newLocalPatternChars - the new localized date-time pattern characters.

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clone

public Object clone()

Overrides Cloneable

Overrides:

clone in class Object

Tags copied from class: Object

Returns:

a clone of this instance.

Throws:

CloneNotSupportedException - if the object's class does not support the Cloneable interface. Subclasses that override the clone method can also throw this exception to indicate that an instance cannot be cloned.

OutOfMemoryError - if there is not enough memory.

See Also:

Cloneable

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hashCode

public int hashCode()

Override hashCode. Generates a hash code for the DateFormatSymbols object.

Overrides:

hashCode in class Object

Tags copied from class: Object

Returns:

a hash code value for this object.

See Also:

Object.equals(java.lang.Object), Hashtable

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equals

public boolean equals(Object obj)

Override equals

Overrides:

equals in class Object

Tags copied from class: Object

Parameters:

obj - the reference object with which to compare.

Returns:

true if this object is the same as the obj argument; false otherwise.

See Also:

Boolean.hashCode(), Hashtable

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