/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
import java.time.* ;
import java.time.format.* ;
import java.time.temporal.* ;
 
/* 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 f = DateTimeFormatter.ofPattern( "dd/MM/uuuu" ) ;
		LocalDate graduationDate = LocalDate.parse( "10/06/2022" , f ) ;
 
		ZoneId z = ZoneId.of( "Asia/Tokyo" ) ;  // Or ZoneId.systemDefault()
		LocalDate today = LocalDate.now( z ) ;
 
		long days = ChronoUnit.DAYS.between( today , graduationDate ) ;
 
		System.out.println( "graduationDate: " + graduationDate ) ;
		System.out.println( "today: " + today ) ;
		System.out.println( "days: " + days ) ;
	}
}

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