Incrementing and decrementing an object pointer : object pointer « Class « C++ Tutorial

1. C++ Tutorial
2. Class
3. object pointer

#include <iostream> 
using namespace std; 
 
class MyClass { 
  int x; 
public: 
  void setX(int val) { x = val; } 
  void display(){ cout << x << "\n"; } 
}; 
  
int main() 
{ 
  MyClass ob[2], *p; 
 
  ob[0].setX(10);  // access objects directly 
  ob[1].setX(20); 
 
  p = &ob[0];      // obtain pointer to first element 
  p->display();    // show value of ob[0] using pointer 
 
  p++;             // advance to next object 
  p->display();    // show value of ob[1] using pointer 
 
  p--;             // retreat to previous object 
  p->display();    // again show value of ob[0] 
 
  return 0; 
}

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