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What does this code achieve in terms of encapsulation?

C 
class Student {
private:
    int roll;

public:
    void setRoll(int r) { roll = r; }
    int getRoll() { return roll; }
};


Data hiding but no encapsulation


Encapsulation without data hiding

 Both encapsulation and data hiding

 None of the above


This question is part of this quiz :

Encapsulation
Tags:
C/C++ Puzzles
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