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4
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2answers
155 views

Does having many duplicated methods and deep inheritance hierarchies in GUI APIs (Java Swing, Android SDK) violate the SOLID design principles?

For those unfamiliar with the SOLID principles you can start reading here: Wikipedia article. However, most of my understanding comes from: http://www.objectmentor.com/resources/publishedArticles.html ...
1
vote
1answer
937 views

C++ : Association, Aggregation and Composition [closed]

I'm beginning to study OOAD and I'm having difficulty finding a C++ code example that'd illustrate how Association, Aggregation and Composition are implemented programmatically. (There are several ...
0
votes
1answer
52 views

Modeling Associations

I am working on the design phase of a paper folding project. I have a few queries in this. Part of the problem statement says " A web can contain one or more ribbons in it. It can also contain a ...
3
votes
7answers
999 views

Inheritance using non-abstract base class

This post is based on the question http://stackoverflow.com/questions/49002/prefer-composition-over-inheritance/11758048#comment15634305_11758048. Some people said - check whether there is “is-a” ...
3
votes
2answers
2k views

How to get OOAD and Design Patterns hands-on experience in C#?

I have read the concepts and practiced some examples on OOAD and Design Patterns. But when I was asked to implement the singleton pattern in a little bit different manner, I was unable to do it and ...
0
votes
2answers
255 views

Inheritance versus Composition in a business application

I have a training management and tracking system, with a high level structure as follows: We have a Role1, e.g. Manager, Shift-boss, miner, etc. and a Candidate, training for that Role. The role has ...
20
votes
3answers
4k views

How to become good at object-oriented analysis and design (OOAD)?

Becoming a good analyzer and designer can greatly benefit a developer. But there are definitely obstacles for this. Not everybody is interested in OOAD, and not every person who is interested, knows ...