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Java OffsetTime minusHours()用法及代碼示例


Java中OffsetTime類的minusHours()方法返回該OffsetTime的副本,其中減去指定的小時數。

用法:

public OffsetTime minusHours(long hours)

參數:此方法接受單個參數小時,然後將其減去小時。可能是負麵的。


返回值:它基於此時間返回OffsetTime減去小時數,並且不為null。

以下示例程序旨在說明minusHours()方法:

示例1:

// Java program to demonstrate the minusHours() method 
  
import java.time.OffsetTime; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
        // Parses the time 
        OffsetTime time = OffsetTime.parse("11:10:10+05:05"); 
  
        // Specified hours subtracted 
        System.out.println("After subtraction, time is: " 
                                      + time.minusHours(5)); 
    } 
}
輸出:
After subtraction, time is: 06:10:10+05:05

程序2

// Java program to demonstrate the minusHours() method 
  
import java.time.OffsetTime; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
        // Parses the time 
        OffsetTime time = OffsetTime.parse("11:10:10+05:05"); 
  
        // Specified hours subtracted 
        System.out.println("After subtraction, time is: " 
                                    + time.minusHours(-5)); 
    } 
}
輸出:
After subtraction, time is: 16:10:10+05:05

參考: https://docs.oracle.com/javase/8/docs/api/java/time/OffsetTime.html#minusHours-long-



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