java 根據類名示例化類

LocalDateTime類getNano()方法 (LocalDateTime Class getNano() method)

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

  getNano()方法在java.time包中可用。

• getNano() method is used to get nano-of-second field value from this date-time object.

  getNano()方法用于從此日期時間對象獲取毫微秒的字段值。

• getNano() 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.

  getNano()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。

• getNano() method does not throw an exception at the time of getting nano of second.

  getNano()方法在獲得毫微秒的時間時不會引發異常。

Syntax:

句法：

public int getNano();

Parameter(s):

參數：

• None

  沒有

Return value:

返回值：

The return type of this method is int, it returns the value nano-of-second field of this object and the number of nanoseconds in a second starts from 0 and ends at 999,999,999.

此方法的返回類型為int ，它返回該對象的nano-of-second字段值，并且在一秒內的納秒數從0開始到999,999,999結束。

Example:

例：

// Java program to demonstrate the example // of getNano() method of LocalDateTimeimport java.time.*;public class GetNanoOfLocalDateTime {public static void main(String args[]) {// Instantiates two LocalDateTimeLocalDateTime da_ti1 = LocalDateTime.parse("2005-10-05T10:10:10.2458");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 nano-of-second in an integer // from this date-time object (da_ti1)int get_nano = da_ti1.getNano();// Display get_nanoSystem.out.print("da_ti1.getNano(): ");System.out.println(get_nano);// Here, this method returns the field// value nano-of-second in an integer // from this date-time object (da_ti2)get_nano = da_ti2.getNano();// Display get_nanoSystem.out.print("da_ti2.getNano(): ");System.out.println(get_nano);} }

Output

輸出量

LocalDateTime da_ti1 and da_ti2: da_ti1: 2005-10-05T10:10:10.245800 da_ti2: 2020-06-06T20:38:07.340022da_ti1.getNano(): 245800000 da_ti2.getNano(): 340022000

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

java 根據類名示例化類

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