Problem 7. Days between Two Dates

import java.sql.Date;
import java.util.Scanner;


public class _07_DaysBetweenTwoDates {
    public static void main (String[] args) {
        Scanner sc = new Scanner (System.in);
        System.out.print("Enter first date: ");
        String input = sc.nextLine();
        int day = Integer.parseInt(input.substring(0, input.indexOf("-")));
        int month = Integer.parseInt(input.substring(input.indexOf("-") + 1, input.lastIndexOf("-")));
        int year = Integer.parseInt(input.substring(input.lastIndexOf("-") + 1));
        Date firstDate = new Date(year, month, day);

        System.out.print("Enter second date: ");
        input = sc.nextLine();
        day = Integer.parseInt(input.substring(0, input.indexOf("-")));
        month = Integer.parseInt(input.substring(input.indexOf("-") + 1, input.lastIndexOf("-")));
        year = Integer.parseInt(input.substring(input.lastIndexOf("-") + 1));
        Date secondDate = new Date(year, month, day);

        int days = (int) ((secondDate.getTime() - firstDate.getTime()) / (1000 * 60 * 60 * 24) );
        System.out.println(days);

    }
}