Usage and effect of a static data member

#include <iostream>
using namespace std;
class shared {
  static int a;
  int b;
public:
  void set(int i, int j) {
    a=i; 
    
    b=j;
  }
  void show();
} ;
int shared::a;
void shared::show()
{
  cout << "This is static a: " << a;
  cout << "\nThis is non-static b: " << b;
  cout << "\n";
}
int main()
{
  shared x, y;
  x.set(1, 1); 
  x.show();
  y.set(2, 2); 
  y.show();
  x.show(); 
  return 0;
}

Related examples in the same category

1.	Static function and static variable
2.	Static function variable
3.	Static Member Functions: its strictions
4.	Static member functions: 'preinitialize' private static data
5.	A static member variable example.
6.	Use a static member variable independent of any object.
7.	Init static data before object creation
8.	A shared resource example.

Usage and effect of a static data member : Static « Language « C++

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