date.gethour

LocalDateTime類getHour()方法 (LocalDateTime Class getHour() method)

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

  getHour()方法在java.time包中可用。

• getHour() method is used to get an hour-of-day field value from this date-time object.

  getHour()方法用于從該日期時間對象獲取一天中的小時值。

• getHour() 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.

  getHour()方法是一個非靜態方法，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。

• getHour() method does not throw an exception at the time of getting an hour of the day.

  在一天中的一個小時內， getHour()方法不會引發異常。

Syntax:

句法：

public int getHour();

Parameter(s):

參數：

• None

  沒有

Return value:

返回值：

The return type of this method is int, it returns the value hour-of-day field of this object and the number of hours in a day starts from 0 and ends at 23.

此方法的返回類型為int ，它返回此對象的value-of-day字段，并且一天中的小時數從0開始，以23結尾。

Example:

例：

// Java program to demonstrate the example // of getHour() method of LocalDateTimeimport java.time.*;public class GetHourOfLocalDateTime {public static void main(String args[]) {// Instantiates two LocalDateTimeLocalDateTime da_ti1 = LocalDateTime.parse("2005-10-05T10:10:10");LocalDateTime da_ti2 = LocalDateTime.now();// Display da_ti1, da_ti2System.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 returns the// field value hour-of-day from // this date-time object (da_ti1)int hod = da_ti1.getHour();// Display hodSystem.out.println("da_ti1.getHour(): " + hod);// Here, this method returns the // field value hour-of-day from // this date-time object (da_ti2)hod = da_ti2.getHour();// Display hodSystem.out.println("da_ti2.getHour(): " + hod);} }

Output

輸出量

LocalDateTime da_ti1 and da_ti2: da_ti1: 2005-10-05T10:10:10 da_ti2: 2020-06-05T02:54:33.968481da_ti1.getHour(): 10 da_ti2.getHour(): 2

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

date.gethour

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