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Instant plusMillis() method in Java with Examples

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  • Last Updated : 28 Nov, 2018
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The plusMillis() method of Instant class adds specified duration in milliseconds to this instant and returns the result as an instant object. This returned Instant is immutable.

Syntax:

public Instant plusMillis(long millisToAdd)

Parameters: This method accepts one parameter millisToAdd which is milliseconds to add.

Returns: This method returns Instant with the milliseconds added to it.

Exception: This method throws following exceptions:

  • DateTimeException: if the result exceeds the maximum or minimum instant.
  • ArithmeticException: if numeric overflow occurs.

Below programs illustrate the plusMillis() method:

Program 1:




// Java program to demonstrate
// Instant.plusMillis() method
  
import java.time.*;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create a Instant object
        Instant instant
            = Instant.parse("2018-12-30T19:34:50.63Z");
  
        // addition of 8800000 MILLI_OF_SECOND
        // means 8800 seconds to this instant
        Instant returnedValue
            = instant.plusMillis(8800000);
  
        // print result
        System.out.println("Returned Instant: "
                           + returnedValue);
    }
}

Program 2:




// Java program to demonstrate
// Instant.plusMillis() method
  
import java.time.*;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create a Instant object
        Instant instant = Instant.now();
  
        // current Instant
        System.out.println("Current instant: "
                           + instant);
  
        // addition of 420000 MILLI_OF_SECOND
        // means 420 seconds to this instant
        Instant returnedValue
            = instant.plusMillis(420000);
  
        // print result
        System.out.println("Returned Instant: "
                           + returnedValue);
    }
}

References: https://docs.oracle.com/javase/10/docs/api/java/time/Instant.html#plusMillis(long)


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