Java subtract two dates

/**
 * @author lautturi.com 
 * Java example: get difference in dys between the two dates in java
 */

import java.time.LocalDate;
import java.time.Period;
import java.util.*;

public class Lautturi {

	public static void main(String[] args) {

		LocalDate now = LocalDate.now();
		LocalDate sixDaysBehind = now.minusDays(6);

		Period period = Period.between(now, sixDaysBehind);
		int diff = period.getDays();
		
		System.out.println(diff);

	}
}

output:

-6