类型适应1.txt

来自「学C++的同学是不是遇到麻烦了」· 文本 代码 · 共 18 行

#include   <iostream.h>
class     A
{
    public:
         A(int  i){a=i;}
         void    print(){cout<<a<<endl;}
     private:
         int   a;
};
class   B:public   A
{
      public:
           B(int  i,int  j):A(i),b(j) { }
           void  print(){A::print();cout<<b<<endl;}
       private:
            int   b;
};