java timezone_Java TimeZone setDefault()方法与示例
java timezone
TimeZone類的setDefault()方法 (TimeZone Class setDefault() method)
setDefault() method is available in java.util package.
setDefault()方法在java.util包中可用。
setDefault() method is used to assign the default time zone which is retrieved by using the getDefault().
setDefault()方法用于分配使用getDefault()檢索的默認時區。
setDefault() method is a static method, it is accessible with the class name and if we try to access the method with the class object then we will not get an error.
setDefault()方法是一個靜態方法,可以使用類名進行訪問,如果嘗試使用類對象訪問該方法,則不會收到錯誤。
setDefault() method does not throw an exception at the time of setting the default time zone.
setDefault()方法在設置默認時區時不會引發異常。
Syntax:
句法:
public static void setDefault(TimeZone tz);Parameter(s):
參數:
TimeZone tz – represents the set default time zone.
TimeZone tz –表示設置的默認時區。
Return value:
返回值:
The return type of the method is void, it returns nothing.
該方法的返回類型為void ,不返回任何內容。
Example:
例:
// Java program to demonstrate the example // of void setDefault(TimeZone tz) // method of TimeZone import java.util.*;public class SetDefaultOfTimeZone {public static void main(String args[]) {// Instantiates TimeZone objectTimeZone tz = TimeZone.getDefault();// Display tzSystem.out.println("TimeZone.getDefault(): " + tz);// Get another time zone and set as default // time zonetz = TimeZone.getTimeZone("Africa/Asmera");// By using setDefault() method is// to set the given time zone as default// time zoneTimeZone.setDefault(tz);System.out.print("TimeZone.setDefault(tz): ");System.out.println(tz);} }Output
輸出量
TimeZone.getDefault(): sun.util.calendar.ZoneInfo[id="GMT",offset=0,dstSavings=0,useDaylight=false,transitions=0,lastRule=null] TimeZone.setDefault(tz): sun.util.calendar.ZoneInfo[id="Africa/Asmera",offset=10800000,dstSavings=0,useDaylight=false,transitions=6,lastRule=null]翻譯自: https://www.includehelp.com/java/timezone-setdefault-method-with-example.aspx
java timezone
總結
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