question: @ Override public void test ( String t ) throws ParameterException { if ( t . length ( ) < minlength ) { throw new WrongParameterValueException ( "Parameter Constraint Error.\n" + "Parameter value length must be at least " + minlength + "." ) ; } if ( maxlength > 0 && t . length ( ) > maxlength ) { throw new WrongParameterValueException ( "Parameter Constraint Error.\n" + "Parameter value length must be at most " + maxlength + "." ) ; } }
target:  Checks if the given string value of the string parameter is within the length restrictions. If not, a parameter exception is thrown.