求解!该怎么处理

求解!!!!!!!

C/C++ code

#include <iostream>                  using  namespace  std;class boolit{public:    void setword(char w)        {        word=w;                 }    void print()    {         cout<<word;    }   private:    char word;                       };int  main(){    boolit b1;                 b1.setword('a');                         b1.print();    system("pause");    return 0;}