Java LocalTime withMinute()用法及代碼示例

LocalTime類的withMinute()方法用於獲取此LocalTime的副本，並將分鍾更改為作為此方法的參數傳遞的分鍾。此LocalTime的其餘值將保持不變。此實例是不可變的，不受此方法調用的影響。

用法:

public LocalTime withMinute(int minute)

參數：此方法接受單個參數分鍾，該分鍾代表要在結果中設置的minute-of-hour，範圍為0到59。

返回值：此方法基於此時間和請求的分鍾返回LocalTime實例。

異常：如果分鍾值無效，則此方法引發異常DateTimeException

以下示例程序旨在說明withMinute()方法：

示例1:

// Java program to demonstrate 
// LocalTime.withMinute() method 
  
import java.time.*; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
  
        // create a LocalTime object 
        LocalTime time 
            = LocalTime.parse("19:34:50.63"); 
  
        // print time 
        System.out.println("Old LocalTime: "
                           + time); 
  
        // Get a new LocalDateTime with minutes 4 
        LocalTime newtime = time.withMinute(4); 
  
        // print result 
        System.out.println("New LocalDateTime: "
                           + newtime); 
    } 
}

輸出：

Old LocalTime: 19:34:50.630
New LocalDateTime: 19:04:50.630

示例2:

// Java program to demonstrate 
// LocalTime.withMinute() method 
  
import java.time.*; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
  
        // create a LocalTime object 
        LocalTime time 
            = LocalTime.parse("01:21:30.13"); 
  
        // print time 
        System.out.println("Old LocalTime: "
                           + time); 
  
        // Get a new LocalDateTime with minutes 23 
        LocalTime newtime = time.withMinute(23); 
  
        // print result 
        System.out.println("New LocalDateTime: "
                           + newtime); 
    } 
}

輸出：

Old LocalTime: 01:21:30.130
New LocalDateTime: 01:23:30.130

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

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