/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
import java.time.* ;
import java.time.format.* ;
 
/* 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
	{
 
LocalTime colonTime = LocalTime.parse("09:30:23.187235");
System.out.println(
    DateTimeFormatter.ofPattern("HH:mm:ss.nnnnnnnnn")
                     .format(colonTime)
);
 
	}
}

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