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1
vote
1answer
28 views

Is it bad programming practice to check if a class referenced by its interface is an instance of another class?

I have a class (Timer) with an array list of Timable objects. Timeable is an interface. There is some specific functionality that I need for the Trigger class (implements Timable), which has a ...
2
votes
2answers
249 views

How to use MVC in practice

I'm very confused. I can't even begin to understand how MVC would be implemented outside of web development. This might seem like too general a question, but how would one apply MVC. I have the ...
5
votes
2answers
260 views

Constant values in the interface

Some time ago I have read two different books and each of them gives totally different answer for the question if it is a good pattern to define constant values in the interface (in java). So I am ...