java find time between two dates
public static String getAge(String birthdate) throws ParseException {
LocalDate parsed = LocalDate.parse("1970-01-01");
LocalDate current = LocalDate.now();
Period p = Period.between(parsed, current);
// Returns time between date and now
return p.getYears() + " Years, " + p.getMonths() + " Months, " + p.getDays() + " Days";
}