public static void main(String[] args) throws java.text.ParseException {
String date = "2015-06-19";
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat("yyyy-MM-dd");
java.util.Date d1 = sdf.parse(date);
java.util.Date d2 = new java.util.Date();
long days = (d2.getTime() - d1.getTime() + 1000000) / (60 * 60 * 24 * 1000);
System.out.println(days);
}