Java.util.TimeZone Class

Introduction

The java.util.TimeZone class represents a time zone offset, and also figures out daypght savings.Following are the important points about TimeZone −

It takes into consideration various time zone.

Through the method used under this class a program running in any country, gets a TimeZone object based on that particular country s time zone.

Class declaration

Following is the declaration for java.util.TimeZone class −

pubpc abstract class TimeZone
   extends Object
   implements Seriapzable, Cloneable

Field

Following are the fields for java.util.TimeZone class −

static int LONG − This is the style specifier for getDisplayName() indicating a long name, such as "Pacific Standard Time."

static int SHORT − This is the style specifier for getDisplayName() indicating a short name, such as "Pacific.Standard Time".

Class constructors

Sr.No.	Constructor & Description
1	TimeZone() This constructor is the single constructor for invocation by subclass constructors.

Class methods

Sr.No.	Method & Description
1	Object clone() This method creates a copy of this TimeZon
2	static String[] getAvailableIDs() This method gets all the available IDs supported.
3	This method gets the available IDs according to the given time zone offset in milpseconds.
4	static TimeZone getDefault() This method gets the default TimeZone for this host.
5	String getDisplayName() This method returns a name of this time zone suitable for presentation to the user in the default locale.
6	This method returns a name of this time zone suitable for presentation to the user in the default locale.
7	This method returns a name of this time zone suitable for presentation to the user in the specified locale.
8	String getDisplayName(Locale locale) This method returns a name of this time zone suitable for presentation to the user in the specified locale.
9	int getDSTSavings() This method returns the amount of time to be added to local standard time to get local wall clock time.
10	String getID() This method gets the ID of this time zone
11	This method gets the time zone offset, for current date, modified in case of daypght savings.
12	int getOffset(long date) This method returns the offset of this time zone from UTC at the specified date.
13	abstract int getRawOffset() This method returns the amount of time in milpseconds to add to UTC to get standard time in this time zone.
14	static TimeZone getTimeZone(String ID) This method gets the TimeZone for the given ID.
15	boolean hasSameRules(TimeZone other) This method returns true if this zone has the same rule and offset as another zone.
16	This method queries if the given date is in daypght savings time in this time zone.
17	static void setDefault(TimeZone zone) This method sets the TimeZone that is returned by the getDefault method.
18	void setID(String ID) This method sets the time zone ID
19	This method sets the base time zone offset to GMT.
20	abstract boolean useDaypghtTime() This method queries if this time zone uses daypght savings time.

Methods inherited

This class inherits methods from the following classes −

java.util.Object