duration java

持續(xù)時間類minusMinutes()方法 (Duration Class minusMinutes() method)

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

  minusMinutes()方法在java.time包中可用。

• minusMinutes() method is used to subtract the given duration in minutes from this Duration and returns the Duration.

  minusMinutes()方法用于從此Duration中減去以分鐘為單位的給定持續(xù)時間，并返回Duration。

• minusMinutes() 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.

  minusMinutes()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。

• minusMinutes() method may throw an exception at the time of performing subtraction.

  minusMinutes()方法在執(zhí)行減法時可能會引發(fā)異常。

  ArithmeticException – This exception may throw when the calculated result value exceeds the limit.

  ArithmeticException-當計算結(jié)果值超過限制時，可能引發(fā)此異常。

Syntax:

句法：

public Duration minusMinutes(long min_val);

Parameter(s):

參數(shù)：

• long min_val – represents the minutes to be subtracted from this Duration.

  long min_val –表示要從該持續(xù)時間中減去的分鐘。

Return value:

返回值：

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

此方法的返回類型為Duration ，它返回的Duration保留從該Duration中減去給定分鐘數(shù)的值。

Example:

例：

// Java program to demonstrate the example // of minusMinutes(long min_val) method of Durationimport java.time.*;public class MinusMinutesOfDuration {public static void main(String args[]) {long minutes = 10;// Instantiates two Duration objectsDuration du1 = Duration.ofMinutes(40);Duration du2 = Duration.parse("P2DT2H20M");// Display du1, du2 System.out.println("du1: " + du1);System.out.println("du2: " + du2);System.out.println("minutes to substract:" + minutes);System.out.println();// subtracts the given duration// in minutes from this Duration du1 // and returns the Duration i.e. here we // are substracting the given 10 minutes// from this du1 that holds the value of 40 // minutesDuration minus_val = du1.minusMinutes(minutes);// Display minus_valSystem.out.println("du1.minusMinutes(minutes): " + minus_val);// subtracts the given duration// in minutes from this Duration du2 // and returns the Duration i.e. here we // are substracting the given 10 minutes// from this du2 that holds the value of // 2D:2H:20Mminus_val = du2.minusMinutes(minutes);// Display minus_valSystem.out.println("du2.minusMinutes(minutes): " + minus_val);} }

Output

輸出量

du1: PT40M du2: PT50H20M minutes to substract:10du1.minusMinutes(minutes): PT30M du2.minusMinutes(minutes): PT50H10M

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

duration java

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