isValidDate

public class DataTest {

    
    public static void main(String[] args) {
        
        DataTest.isValidDate("2008/02/29","yyyy/MM/dd");
        // not working DataTest.isValidDate("2010/20/20","yyyy/mm/dd");

        //System.out.println(Utils.isValidMail("@sina.com"));

        
        
    }
    
    public static boolean isValidDate (String inputDate,String format){
        
        SimpleDateFormat dateFormat = new SimpleDateFormat(format);
        try {
            if (dateFormat.format(dateFormat.parse(inputDate)).equalsIgnoreCase(inputDate)) {
                System.out.println("OK");
                System.out.println(dateFormat.format(dateFormat.parse(inputDate)));
                return true;
            } else {
                System.out.println("Err");
                System.out.println(dateFormat.format(dateFormat.parse(inputDate)));
                return false;
            }
        } catch (Exception ex) {
            System.out.println("Err");
            return false;
        }
    }

}