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Archive for August, 2007

versus

Run time polymorphism vs. Compile time polymorphism
Overriding is polymorphism. Obvious enough. But how the heck is Overloading polymorphism? Which Overloaded method is called isn’t decided at runtime, that is already determined at compile time.  So is Overloading polymorphism simply because, although the signatures vary all over the place, the method name is the same?
Abstract classes [...]

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basic oo concepts

Is Java pure OO? Not exactly, since primitives are not implemented as objects. Smalltalk for example, is purely OO.

Abstraction:

- Extract all the common attributes and behaviour for a given set of classes and move them one level up and that will be your first level of abstraction.
- [...]

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If you haven’t already bought an iPod or are considering buying one, I would suggest you give the Creative Zen W Vision some serious consideration.

Much wider screen
Supports many file formats. You don’t have to convert everything you [...]

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