/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
 
import java.time.*;
import java.time.temporal.*;
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
	{
 
    String startDateString = "2017-03-08";
    String finishDateString = "2017-03-10";        
 
    DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd", Locale.ENGLISH);
    LocalDate startDate = LocalDate.parse(startDateString, formatter);
    LocalDate finishDate = LocalDate.parse(finishDateString, formatter);
 
Integer day = finishDate.compareTo(startDate);
 
System.out.println( "day: " + day );
 
	}
}

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