Date Difference Program in Java

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class datedifference 
{
  public static void findDifference(String start_date, String end_date) 
  {
    SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss");
    try {
      Date d1 = sdf.parse(start_date);
      Date d2 = sdf.parse(end_date);
      long difference_In_Time = d2.getTime() - d1.getTime();

      long difference_In_Seconds = (difference_In_Time / 1000) % 60;
      long difference_In_Minutes = (difference_In_Time / (1000 * 60)) % 60;
      long difference_In_Hours = (difference_In_Time / (1000 * 60 * 60)) % 24;
      long difference_In_Years = (difference_In_Time / (1000 l * 60 * 60 * 24 * 365));
      long difference_In_Days = (difference_In_Time / (1000 * 60 * 60 * 24)) % 365;

      System.out.print("Difference " + "between two dates is: ");
      System.out.println(difference_In_Years + " years, " + difference_In_Days +
        " days, " + difference_In_Hours + " hours, " + difference_In_Minutes +
        " minutes, " + difference_In_Seconds + " seconds");
    } catch (ParseException e) {
      e.printStackTrace();
    }
  }
  public static void main(String[] args) {
    String start_date = "10-01-2018 01:10:20";
    String end_date = "10-06-2020 06:30:50";
    findDifference(start_date, end_date);
  }
}