Why languages are not completely object oriented ?

Object oriented languages should have concepts such as encapsulation and polymorphism built-in.

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Some object oriented languages permit global functions and data which is contrary to the 'encapsulation' principle.

An example of such a language is C++ though I would describe it as multi-paradigm (procedural and OO) rather than partially object oriented.

Other languages support classes but don't support inheritance. An example of this is Visual Basic 6 though that is usually described as object-based rather than partially object oriented.

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Javeed M Shaikh15y ago

Hi Mike,

I guess the language needs the four basic elements of an object-oriented system which are abstraction,
encapsulation, inheritance, and polymorphism.

Please do not forget to mark "Accepted Answer".

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