Re: Is it possible to put several objects into one file?

From:
Lew <lew@nospam.lewscanon.com>
Newsgroups:
comp.lang.java.programmer
Date:
Sat, 14 Apr 2007 15:24:37 -0400
Message-ID:
<a-ydnYRI_rDrt7zbnZ2dnUVZ_uuqnZ2d@comcast.com>
John wrote:

If for a question the object type you use is String, how can you organize
the hierarchy of the all those types questions?

My design is that there should be a abstract question class, with subclass
such as mutiple choice, matching, short answers, true/false etc.

True/false can be the subclass of multiple choice.


That's fine. There are a zillion ways to solve the problem.

I see that what you mean by a question is an organization of the information.
  I'd probably separate the issue of whether something is implemented via
checkboxes or a multi-select from the content of the information, similarly to
how Swing and JSF do it.

There are structures to hold the information. One example is

Map< String, List<String>>

that can hold the question text and the list of answers (as for multi-select),
initially length 0 for unanswered questions.

The presentation of the text would be handled by separate layout components.

But your way seems OK, too.

--
Lew

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