c++ simple program of class

description: This program is simple of class

code:

/* c++ simple program of class */

#include <iostream>
using namespace std;

class simpleclass
{
 private:
  int data;
 public:
  void set(int j)
  {
   data = j;
  }
      void show()
      {
      cout<<data<<endl;
      }
};
int main() 
{
    simpleclass obj1;
    obj1.set(43);
    obj1.show();
    return 0;
}
output:

43