The regex validator validates the given string with the specified regular expression. It can be used in password, security key etc. Parameters of regex validator…

The url validator checks that given value is string and a valid url. It can be used in website url, reciprocal links etc. Parameters of…

The double validator checks that given floating-point number is within the specified range. It can be used in product price etc. Parameters of double validator…

The int validator checks that given number is witin the specified range. It can be used in productId, employeeId etc. Parameters of int validator There…

The date validator checks that given date is witin the specified range. Parameters of date validator There is 3 parameters defined for date validator. Parameter…

The email validator checks that given field has valid email address. It works only if field is not blank. Parameters of email validator There is…

The stringlength validator specifies that string must be of given length. It can be used in username, password etc. It trims the string bydefault then…

The requiredstring validator specifies that string can’t be null or blank. It trims the string bydefault then checks if its length is greater that 0….

Struts 2 validation framework provides many built-in validators also known as bundled validators for email, string, int, double, url, date etc So, we don’t need…