duration java

Duration Class of Hours()方法 (Duration Class ofHours() method)

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

  ofHours()方法在java.time包中可用。

• ofHours() method is used to represent the given hours in this Duration.

  ofHours()方法用于表示此Duration中的給定小時數。

• ofHours() 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.

  ofHours()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。

• ofHours() method may throw an exception at the time of representing hours.

  ofHours()方法在表示小時數時可能會引發異常。

  ArithmeticException: This exception may throw when the given hours' value exceeds the length of this Duration.

  ArithmeticException ：當給定小時數的值超過此Duration的長度時，可能引發此異常。

Syntax:

句法：

    public static Duration ofHours(long hrs_val);

Parameter(s):

參數：

• long hrs_val – represents the number of hours in value.

  long hrs_val –表示值的小時數。

Return value:

返回值：

The return type of this method is Duration, it returns the Duration that holds the value of the given hours.

此方法的返回類型為Duration ，它返回保存給定小時數的Duration。

Example:

例：

// Java program to demonstrate the example 
// of ofHours(long hrs_val) method of Duration
import java.time.*;
public class OfHoursOfDuration {
public static void main(String args[]) {
long hrs_val = 3;
// returns the Duration that holds the value of the given
// argument i.e. here we are representing
// 3 hrs (3H) in this Duration du
Duration du = Duration.ofHours(hrs_val);
// Display du
System.out.println("Duration.ofHours(3): " + du);
}
}

Output

輸出量

Duration.ofHours(3): PT3H

翻譯自: https://www.includehelp.com/java/duration-ofhours-method-with-example.aspx

duration java