question: public static boolean isValid ( Date expirationDate ) { Date currentDate = new Date ( ) ; String formattedDate = dateFormat . format ( currentDate ) ; currentDate = convertDate ( formattedDate ) ; boolean isExpired = currentDate . after ( expirationDate ) ; boolean isEqual = currentDate . equals ( expirationDate ) ; if ( isExpired == true || isEqual == true ) { return true ; } return false ; }
target:  Validate the token expiration date.