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Why use classes instead of functions?

Asked 2011-06-25T21:34:28.050
17

I do know some advantages to classes such as variable and function scopes, but other than that is just seems easier to me to have groups of functions rather than to have many instances and abstractions of classes. So why is the "norm" to group similar functions in a class?

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The point of OOP is not to 'group similar functions in a class'. If this is all you're doing then you're not doing OOP (despite using an OO language). Having classes instead of just a bunch of functions has a side effect of 'variable and function scopes' that you mention, but I see it just as a side effect.

OOP is about such concepts as encapsulation, inheritance, polymorphism, abstraction and many others. It is a specific way of software design, a specific way of mapping a problem to a software solution.

answered 2011-06-25T21:43:57.677

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