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

public static boolean isValidDate(String inDate) {
    SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
    dateFormat.setLenient(false);
    try {
      dateFormat.parse(inDate.trim());
    } catch (ParseException pe) {
      return false;
    }
    return true;
  }

public static void main(String[] args) {
 String file = "/path/to/your/file.txt";

try {

    BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(file)));
    String line;
    while ((line = br.readLine()) != null) {
        // do something with line
    }
    br.close();
   isValidDate(line));
   //do what you want :)
  }