The way I see it is you can do everything classes do in structs and quicker. For Example:

Code:
//class

class object
{
     private:
          int number;
     public:
          void setnumber(int set) {number=set;};
          int getnumber() {return number;};
};

int main()
{
          object test;
          test.setnumber(12);
          cout<<test.getnumber();
}
Code:
//struct

struct object
{
          int number;
};

int main()
{
          object test;
          test.number=12;
          cout<<test.number;
}
Thanks.