/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
import java.time.Instant ;
import java.time.temporal.ChronoUnit ;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
Instant myInstant = Instant.now() ;
//Instant myInstant = Instant.now().truncatedTo( ChronoUnit.SECONDS ) ;
 
Instant myRoundedUpInstant = 
    Optional.of( myInstant.truncatedTo( ChronoUnit.SECONDS ) )
        .filter( myInstant :: equals )
        .orElse( myInstant.truncatedTo( ChronoUnit.SECONDS ).plusSeconds( 1 ) );
 
System.out.println( "myInstant.toString(): " + myInstant ) ;
System.out.println( "myRoundedUpInstant(): " + myRoundedUpInstant ) ;
 
 
	}
}

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