AGE CALCULATOR IN JAVA CODE

import java.text.*;
import java.util.*;
public class CalculateAge
{
public static void main(String args[])
{
Scanner input=new Scanner(System.in);
  System.out.print("Enter your Date of Birth in format MM-dd-yyyy: ");
  String dateOfBirth=input.nextLine() ;
  System.out.print("Enter Current date in format MM-dd-yyyy: ");
  String currentDate=input.nextLine() ;
try {
      Calendar cal1 = new GregorianCalendar();
      Calendar cal2 = new GregorianCalendar();
      int age = 0;
      int factor = 0;
      Date date1 = new SimpleDateFormat("MM-dd-yyyy").parse(dateOfBirth);
      Date date2 = new SimpleDateFormat("MM-dd-yyyy").parse(currentDate);
      cal1.setTime(date1);
      cal2.setTime(date2);
      if(cal2.get(Calendar.DAY_OF_YEAR) < cal1.get(Calendar.DAY_OF_YEAR))
{
            factor = -1;
      }
      age = cal2.get(Calendar.YEAR) - cal1.get(Calendar.YEAR) + factor;
      System.out.println("");
      System.out.println("Your age is: "+age+ " years.");
}
catch (ParseException e)
{
      System.out.println(e);
}
}
}