[ajug-members] design

[Andrew Goode]

High-level, yes.  But the concepts can be applied to any project.  If you can conceptually design your application based on domain, it will help you organize its object-oriented components so you can hopefully put "good" OO principles (encapsulation, specificity, reusability, high cohesion, loose coupling, etc) into practice.

In reference to your original question, I'd say yes.  It sounds like you're on the right track.

//-- a.goode

-----Original Message-----
From: 521 [mailto:521 at ofig.org] 
Sent: Wednesday, February 18, 2009 1:10 PM
To: ajug-members at ajug.org
Subject: Re: [ajug-members] design

that's too high-level/fancy for me as a hobbiest; i was asking for a much 
smaller project, say a math game or the like;

b

On Wed, 18 Feb 2009 09:55:23 -0500, Andrew Goode wrote 
> There are many ways to design your software/application.  I generally 
> prefer an adopted form of this: 
> 
> http://en.wikipedia.org/wiki/Domain-driven_design 
> 
> where you have "reference" objects that model your domain and "service" 
> objects that comprise the behavior of your domain, typically in the form 
> of manipulating or acting on the "reference" objects.  Services should 
> generally be exposed as interfaces (abstracting the implementations away 
> from their public API) whereas domain objects are more likely to be 
> exposed just as POJOs that may or may not be described by various 
> interfaces.  But remember that each object is *defined* by the business 
> domain your are developing towards. 
> 
> //-- a.goode 
> 
> -----Original Message----- 
> From: 521 [mailto:521 at ofig.org] 
> Sent: Monday, February 16, 2009 10:04 AM 
> To: ajug-members at ajug.org 
> Subject: [ajug-members] design 
> 
> by design, in java- or oop in general- is it best to have classes made 
> as follows... 
> 
>  -certain classes are designed to be the motors or engines of an 
> application 
>  -certain classes are designed to the the nouns/subjects of the 
> application 
>  -other classes, maybe, some other stuff, etc? 
> 
> barclay 
> 
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