java 根據(jù)類名示例化類

LocalDateTime類atOffset()方法 (LocalDateTime Class atOffset() method)

• atOffset() method is available in java.time package.

  atOffset()方法在java.time包中可用。

• atOffset() method is used to create an OffsetDateTime to merge this LocalDateTime with the given offset.

  atOffset()方法用于創(chuàng)建OffsetDateTime，以將此LocalDateTime與給定的偏移量合并。

• atOffset() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.

  atOffset()方法是一種非靜態(tài)方法，只能通過類對象訪問，如果嘗試使用類名稱訪問該方法，則會收到錯誤消息。

• atOffset() method does not throw an exception at the time of representing LocalDateTime.

  atOffset()方法在表示LocalDateTime時不會引發(fā)異常。

Syntax:

句法：

public OffsetDateTime atOffset(ZoneOffset off);

Parameter(s):

參數(shù)：

• ZoneOffset off – represents the zone offset to merge with this LocalDateTime.

  ZoneOffset off –表示要與此LocalDateTime合并的區(qū)域偏移量。

Return value:

返回值：

The return type of this method is OffsetDateTime, it returns OffsetDateTime object that holds the value merged this LocalDateTime with the given offset.

此方法的返回類型為OffsetDateTime ，它返回OffsetDateTime對象，該對象包含將此LocalDateTime與給定的偏移量合并的值。

Example:

例：

// Java program to demonstrate the example // of atOffset(ZoneOffset off) method // of LocalDateTimeimport java.time.*;public class AtOffsetOfLocalDateTime {public static void main(String args[]) {// Instantiates two LocalDateTime// and a ZonedOffsetLocalDateTime da_ti1 = LocalDateTime.parse("2005-10-05T10:10:10");LocalDateTime da_ti2 = LocalDateTime.now();ZoneOffset off = ZoneOffset.ofHoursMinutes(2, 2);// Display da_ti1, da_ti2// and offSystem.out.println("LocalDateTime da_ti1 and da_ti2: ");System.out.println("da_ti1: " + da_ti1);System.out.println("da_ti2: " + da_ti2);System.out.println();// Here, this method creates an OffsetDateTime// by merging this date-time (da_ti1) with// the given offset (off) i.e. // da_ti1 + off(in hours , in minutes)OffsetDateTime off_da_time = da_ti1.atOffset(off);// Display updated off_da_timeSystem.out.println("da_ti1.atOffset(off): " + off_da_time);// Here, this method creates an OffsetDateTime// by merging this date-time (da_ti2) with// the given offset (off) i.e. // da_ti2 + off(in hours)off_da_time = da_ti2.atOffset(ZoneOffset.ofHours(4));// Display updated off_da_timeSystem.out.print("da_ti2.atOffset(ZoneOffset.ofHours(4)): ");System.out.println(off_da_time);} }

Output

輸出量

LocalDateTime da_ti1 and da_ti2: da_ti1: 2005-10-05T10:10:10 da_ti2: 2020-06-04T08:02:20.579734da_ti1.atOffset(off): 2005-10-05T10:10:10+02:02 da_ti2.atOffset(ZoneOffset.ofHours(4)): 2020-06-04T08:02:20.579734+04:00

翻譯自: https://www.includehelp.com/java/localdatetime-atoffset-method-with-example.aspx

java 根據(jù)類名示例化類

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