public void addSubject(String subjectName,Subject subject) throws NameAlreadyExistsException, InvalidNameException, PolicyException, SSOException {
  addSubject(subjectName,subject,false);
}

public void addSubject ( String subjectName , Subject subject ) throws NameAlreadyExistsException , InvalidNameException , PolicyException , SSOException { addSubject ( subjectName , subject , false ) ; }
adds a policy subject at realm .
