Java: Check whether given date is valid or not

Following function returns true, if the given date is valid, else false.

public static boolean isDateValid(String date) {

         try {

                  DateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT);

                  dateFormat.setLenient(false);

                  dateFormat.parse(date);

                  return true;

         } catch (ParseException e) {

                  return false;

         }

}

App.java

package com.sample.app;

import java.io.FileNotFoundException;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;

public class App {
 private static final String DATE_FORMAT = "dd-MM-yyyy";

 public static boolean isDateValid(String date) {
  try {
   DateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT);
   dateFormat.setLenient(false);
   dateFormat.parse(date);
   return true;
  } catch (ParseException e) {
   return false;
  }
 }

 public static void main(String args[]) throws FileNotFoundException {

  boolean isValid = isDateValid("32-1-2019");
  System.out.println("Is \"32-1-2019\" valid ? " + isValid);

  isValid = isDateValid("31-1-2019");
  System.out.println("Is \"31-1-2019\" valid ? " + isValid);

 }
}

Output

Is "32-1-2019" valid ? false

Is "31-1-2019" valid ? true

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