Java OffsetDateTime withSecond()用法及代碼示例

Java中OffsetDateTime類的withSecond()方法返回此OffsetDateTime的副本，其中second-of-minute如參數中所述進行了更改。

用法:

public OffsetDateTime withSecond(int second)

參數：此方法接受單個參數秒，該參數指定要在結果中設置的second-of-minute，其範圍可以從0到59。

返回值：它基於此日期返回一個OffsetDateTime，並帶有請求的second-of-minute，並且不為null。

異常：當second-of-minute值無效時，程序將引發DateTimeException。

以下示例程序旨在說明withSecond()方法：

示例1:

// Java program to demonstrate the withSecond() method 
  
import java.time.OffsetDateTime; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
  
        // Parses the date1 
        OffsetDateTime date1 
            = OffsetDateTime 
                  .parse( 
                      "2018-12-12T13:30:30+05:00"); 
  
        // Prints dates 
        System.out.println("Date1: " + date1); 
  
        // Changes the second-of-minute 
        System.out.println("Date1 after altering second-of-minute: "
                           + date1.withSecond(40)); 
    } 
}

輸出：

Date1: 2018-12-12T13:30:30+05:00
Date1 after altering second-of-minute : 2018-12-12T13:30:40+05:00

示例2:

// Java program to demonstrate the withSecond() method 
  
import java.time.OffsetDateTime; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
        try { 
  
            // Parses the date1 
            OffsetDateTime date1 
                = OffsetDateTime 
                      .parse( 
                          "2018-12-12T13:30:30+05:00"); 
  
            // Prints dates 
            System.out.println("Date1: " + date1); 
  
            // Changes the second-of-minute 
            System.out.println("Date1 after altering second-of-minute: "
                               + date1.withSecond(70)); 
        } 
        catch (Exception e) { 
            System.out.println("Exception: " + e); 
        } 
    } 
}

輸出：

Date1: 2018-12-12T13:30:30+05:00
Exception: java.time.DateTimeException:
           Invalid value for SecondOfMinute (valid values 0 - 59): 70

參考： https://docs.oracle.com/javase/10/docs/api/java/time/OffsetDateTime.html#withSecond(int)

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