Data Hiding Example in C++


Data hiding is a software development technique specifically used in object-oriented programming (OOP) to hide internal object details (data members). Data hiding ensures exclusive data access to class members and protects object integrity by preventing unintended or intended changes.

Example Program:

Find out the area of rectangle using data hiding in C++

Source Code

using namespace std;
class Rectangle
public :
    int length;
    int breadth;
    int area()
        return length*breadth;
    int perimeter()
        return 2*(length+breadth);
int main()
    Rectangle r,*p;//Using Stack
    cout<<"Stack Area : "<<p->area()<<endl;

    Rectangle *h=new Rectangle(); //Using Heap
    cout<<"Heap Area : "<<h->area();
    return 0;
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Stack Area : 50
Heap Area : 100Stack Area : 50
Heap Area : 100

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