Java - How to check if a value is of type Date

Question

I have a project requirement. There are values in a .txt as -

 02/01/2017 00:00:00

Now I need to have some rules to check if this value in the

Answer 1

Try to parse it to date. If it throws ParseException then it is not a date.

String dateString = "02/01/2017 00:00:00";
DateFormat df = new SimpleDateFormat("MM/dd/yyyy hh:mm:ss"); 
Date date;
try {
    date = df.parse(dateString);
} catch (ParseException e) {
    e.printStackTrace();
}