Simple Date Validation

Author:   Senthil Kumar
Website: http://kolkataprince.blogspot.com

import java.util.Date;
import java.text.ParseException;
import java.text.DateFormat;

public class validateDate
{
        public static void main(String args[])
        {
                String dt = "04/31/2005";  //Invalid Date
                //String dt = "02/29/2004";  //Valid Date
                try
                {
                        DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT);
                        df.setLenient(false);  // this is important!
                        Date dt2 = df.parse(dt);
                        System.out.println("Date is ok = " + dt2);
                }
                catch (ParseException e)
                {
                        System.out.println("Invalid date " + dt);
                }
                catch (IllegalArgumentException e)
                {
                        System.out.println("Invalid date " + dt);
                }
        }
}//End of validateDate

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