LocalDateTime withSecond() method in Java with Examples

The withSecond() method of LocalDateTime class in Java is used to get a copy of this LocalDateTime with the seconds changed to the seconds passed as the parameter to this method. The remaining values of this LocalDateTime remains the same.

Syntax:

public LocalDateTime withSecond(int seconds)

Parameter: This method accepts a single mandatory parameter seconds which specifies the seconds to be set in the resultant LocalDateTime instance. The value of this seconds can range from 0 to 59.



Returns: The function returns a LocalDateTime instance with the seconds changed to the seconds passed as the parameter to this method. The remaining values of this LocalDateTime remains the same.

Exceptions: The function throws a DateTimeException if the seconds value is invalid.

Below programs illustrate the LocalDateTime.withSecond() method:

Program 1:

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// Program to illustrate the withSecond() method
  
import java.util.*;
import java.time.*;
  
public class GfG {
    public static void main(String[] args)
    {
        // Get the LocalDateTime instance
        LocalDateTime dt = LocalDateTime.now();
  
        // Get the String representation of this LocalDateTime
        System.out.println("Original LocalDateTime: "
                           + dt.toString());
  
        // Get a new LocalDateTime with seconds 0
        System.out.println("New LocalDateTime: "
                           + dt.withSecond(0));
    }
}

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Output:

Original LocalDateTime: 2018-11-30T10:39:52.924
New LocalDateTime: 2018-11-30T10:39:00.924

Program 2:

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// Program to illustrate the withSecond() method
  
import java.util.*;
import java.time.*;
  
public class GfG {
    public static void main(String[] args)
    {
        // Get the LocalDateTime instance
        LocalDateTime dt
            = LocalDateTime
                  .parse("2015-04-06T10:15:30");
  
        // Get the String representation of this LocalDateTime
        System.out.println("Original LocalDateTime: "
                           + dt.toString());
  
        // Get a new LocalDateTime with seconds 59
        System.out.println("New LocalDateTime: "
                           + dt.withSecond(59));
    }
}

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Output:

Original LocalDateTime: 2015-04-06T10:15:30
New LocalDateTime: 2015-04-06T10:15:59

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




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