Java OffsetTime plusHours()用法及代碼示例

OffsetTime類的plusHours()方法用於將指定的“小時數”值添加到此OffsetTime並將結果作為OffsetTime對象返回。這一瞬間是一成不變的。計算大約在午夜結束。

用法:

public OffsetTime plusHours(long hoursToAdd)

參數：此方法接受單個參數hoursToAdd，它是要添加的小時數的值，它可以是負值。

返回值：此方法基於此時間返回OffsetTime加上小時。

以下示例程序旨在說明plusHours()方法：

示例1:

// Java program to demonstrate 
// OffsetTime.plusHours() method 
  
import java.time.*; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
  
        // create a OffsetTime object 
        OffsetTime time 
            = OffsetTime.parse("12:16:10+11:00"); 
  
        // print OffsetTime 
        System.out.println("OffsetTime before addition : "
                           + time); 
  
        // added 3 hours using plusHours() 
        OffsetTime value = time.plusHours(3); 
  
        // print result 
        System.out.println("OffsetTime after addition : "
                           + value); 
    } 
}

輸出：

OffsetTime before addition : 12:16:10+11:00
OffsetTime after addition : 15:16:10+11:00

示例2:

// Java program to demonstrate 
// OffsetTime.plusHours() method 
  
import java.time.*; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
  
        // create a OffsetTime object 
        OffsetTime time 
            = OffsetTime.parse("13:20:15+13:00"); 
  
        // print OffsetTime 
        System.out.println("OffsetTime before addition : "
                           + time); 
  
        // added -10 hours using plusHours() 
        OffsetTime value = time.plusHours(-10); 
  
        // print result 
        System.out.println("OffsetTime after addition : "
                           + value); 
    } 
}

輸出：

OffsetTime before addition : 13:20:15+13:00
OffsetTime after addition : 03:20:15+13:00

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

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