OOPs concept Abtraction example with code

// C++ Program to Demonstrate the // working of Abstraction #include <iostream> using namespace std;   class implementAbstraction { private:     int a, b;   public:     // method to set values of     // private members     void set(int x, int y)     {         a = x;         b = y;     }       void display()     {         cout << "a = " << a << endl;         cout << "b = " << b << endl;     } };   int main() {     implementAbstraction obj;     obj.set(10, 20);     obj.display();     return 0; }