/* 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
	{
 
		DateTimeFormatter fx = DateTimeFormatter.ofPattern( "yyyyMMddHHmmss.SSS" ); 
		LocalDateTime x = LocalDateTime.parse( "20211211134321.221" , fx );
		System.out.println( "x = " + x ) ;
 
		DateTimeFormatter fy = DateTimeFormatter.ofPattern( "yyyyMMddHHmmssSSS" ); 
		LocalDateTime y = LocalDateTime.parse( "20211211134321221" , fy );
		System.out.println( "y = " + y ) ;
 
	}
}

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